Due date: Laila Ali and husband Curtis Conway welcomed daughter, Sydney on April 4, 2011. The couple Tweeted the good news saying, “Everyone is happy and healthy.”
Best known for: Her former professional boxing career, which saw her reach the top of the women’s ranks, as well as her recent appearance on Dancing with the Stars. She’s also the daughter of legendary boxer Muhammad Ali.
Baby’s daddy: Curtis Conway, a former wide receiver in the NFL. He played for 12 years and for four teams in the NFL, retiring in 2004.
Memorable maternity moment: Laila, to People on her famous father and her first son, Curtis Conway Jr. (CJ): “My dad is an excellent grandfather, he loves kids, he just loves to kiss them to death, and of course it’s the same with CJ. I think he has about — CJ made 12. I think he has about 13 grandchildren. But don’t quote me on that! I need to count.”
Rachel Zoe

Due date: Rachel Zoe and Rodger Berman welcomed baby boy, Skyler Morrison Berman. Zoe went into labor in on March 22, 2011. Skyler weighed 6 lbs., 12 oz. and was 20 inches long. “Mom and Dad ‘LITERALLY’ could not be happier or more in love with their son!” the couple said in a statement.
Best known for: The Bravo reality TV show The Rachel Zoe Project, which chronicles her work as a celebrity stylist.
Baby’s daddy: Investment banker Rodger Berman, with whom she attended George Washington University.
Memorable maternity moment: The pair struggled openly with the decision over whether to have a baby on The Rachel Zoe Project. Finally, amidst much speculation, she announced via Twitter that they were expecting: “Hey everyone! I want to officially confirm to my loyal friends and followers that I am pregnant!”
Toni Collette

Due date: Toni Collette and her husband welcomed a baby boy on April 22, 2011. “He was born on Good Friday making it the greatest Friday, indeed!” the couple said in a statement.
Best known for: Her acting career, including films like The Sixth Sense and Little Miss Sunshine and the TV show United States of Tara.
Baby’s daddy: Dave Galafassi, a member of her band, Toni Collette & the Finish. They’ve been married since 2003.
Memorable maternity moment: The couple already has one child — Sage Florence, born in 2008. About their soon-to-be new family member, they told People that they “are very happy to be expecting our second child together.”
Pink

Due date: Pink and husband Carey Hart welcomed a daughter, Willow Sage Hart, on June 2, 2011. The singer tweeted, “She’s gorgeous, just like her daddy. #beyondblessed.”
Best known for: Her singing career, which includes five studio albums. She was named the number one pop song artist of the decade (2000-2009) by Billboard.
Baby’s daddy: Professional motocross racer Carey Hart. The pair married in 2006, underwent a separation in 2008 and confirmed that they were back together in early 2010.
Memorable maternity moment: Pink announced her pregnancy on The Ellen DeGeneres Show, also revealing that she’s miscarried in the past. She told Ellen that doctors think the baby will be a girl. After watching a group of 3-year-olds practice for a holiday recital, she proclaimed on Twitter, “My heart hurts it was so damn adorable. I’m gonna b a soccer mom aren’t I? Shit.”
Mariah Carey

Due date: The couple welcomed twins on their third anniversary: April 30, 2011. The baby girl was born first, weighing 5 lbs. 3 oz., and was 18 inches long. Her brother weighed 5 lbs. 6 oz., and was 19 inches long.
Best known for: Her immensely successful singing and songwriting career, including 18 number one singles and five Grammy Awards.
Baby’s daddy: Nick Cannon, a comedian, actor, rapper and TV and radio personality. He currently hosts TV show America’s Got Talent.
Memorable maternity moment: After months of speculation, Mariah announced her pregnancy on Access Hollywood, also revealing that she had a miscarriage two years ago. Then, after even more speculation, husband Nick confirmed on his radio show that she is carrying twins. He told listeners that Mariah ran into Barack and Michelle Obama while performing on Christmas in Washington 2010, and when the President and First Lady asked her if it was twins, she just couldn’t help but reveal the news.
Jennifer Connelly

Due date: Jennifer Connelly and Paul Bettany welcomed daughter Agnes Lark Bettany on May 31, 2011.
Best known for: Her lengthy acting career, including over 30 films and an Academy Award for her 2001 performance in A Beautiful Mind.
Baby’s daddy: Fellow actor Paul Bettany, who she met while filming A Beautiful Mind and married in Scotland in 2003.
Memorable maternity moment: This will be child number three for Connelly, who is also mother to Kai, born in 1997 (with photographer David Dugan) and Stellan, born in 2003 (with Paul). The couple’s desire for more children has long been noted — in 2007, when asked by People if the pair had plans to do any more work together, Paul answered “Make babies.”
Natalie Portman

Due date: Natalie Portman and her finance, Benjamin Millepied, welcomed a son, Aleph, on June 14, 2011.
Best known for: Her movie career, including a turn in the Star Wars prequel trilogy and, more recently, The Black Swan.
Baby’s daddy: Benjamin Millepied, a principal dancer in the New York City ballet and choreographer for The Black Swan.
Memorable maternity moment: Natalie announced her pregnancy and her engagement to Benjamin at the same time, in late December. She told Entertainment Weekly, “I have always kept my private life private but I will say that I am indescribably happy and feel very grateful to have this experience.”
Selma Blair

Due date: No due date yet!
Best known for: Her roles in teen flicks like Cruel Intentions and Legally Blonde.
Baby’s daddy: Boyfriend Jason Bleick, a fashion designer.
Memorable maternity moment: This is the first babe for Blair, 38, and according to People magazine she is “ecstatic” and “couldn’t be happier.”
Jewel

Due date: Jewel and husband Ty Murray welcomed a baby boy, Kase Townes, on July 11, 2001 in Texas. “We are overcome with happiness — it really is as great as everyone told us it would be — better even,” Jewel told People.
Best known for: Her singing and songwriting career, including hit albums like Pieces of You and Perfectly Clear.
Baby’s daddy: Ty Murray, a rodeo star who Jewel’s been with for 12 years and married to since ’08. The pair live together on a 2,200 acre ranch in Texas.
Memorable maternity moment: The couple spent two years trying to conceive before they were successful. “I have always been a workaholic, so I had to learn how to slow down and take care of myself in a different way,” Jewel told People magazine.
Jane Krakowski

Due date: The 30 Rock star and her fiancé welcomed a boy, Bennett Robert Godley, on Wednesday, April 13 in New York City. Bennett weighed 7 lbs., 12 oz. “Bennett is an amazing, healthy sweet boy and we are both just crazy in love with him,” Krakowski told People.
Best known for: Her roles on TV shows Ally McBeal and, currently, 30 Rock, as well as regular appearances on stage.
Baby’s daddy: British clothing designer Robert Godley, who Jane’s been engaged to for a year.
Memorable maternity moment: At the Golden Globe Awards, Jane joked that her baby was already experiencing something most kids only dream of — meeting Justin Bieber. “I think my baby already has a leg up on all other babies, because the baby has met Justin Bieber,” she told People magazine. “I couldn’t believe it! I’m like, first my unborn child has already gone to the Golden Globes, and now has met Justin Bieber. Lucky little one!”
Victoria Beckham

Due date: Former Spice Girl Victoria Beckham gave birth to daughter Harper Seven on the morning of July 10, 2011. Husband and soccer star David Beckham announced the news on his Facebook page. He wrote that Harper’s three brothers “are delighted to have a baby sister.”
Best known for: Also known as Posh Spice, Victoria was a member of the super-popular British girl band the Spice Girls in the ’90s. She’s since become a fashion icon, best known for her big sunglasses.
Baby’s daddy: David Beckham, superstar British soccer player. The duo already has three boys together: Brooklyn, Romeo and Cruz.
Memorable maternity moment: Even with three boys already in the house, David and Victoria have been thinking about adding another member to the family for awhile now. In April ’10, Victoria said on TV’s The View “I think one day, if we’re blessed to have more children, it would be amazing. It’s a lot having three boys… but who knows, one day?”
Alicia Silverstone

Due date: Alicia Silverstone and husband Christopher Jarecki welcomed a baby boy on May 5, 2011. The couple named their son Bear Blu, and at birth he weighed in at 7 lbs., 15 oz. Mom and Dad are completely in love with their beautiful baby boy, according to a statement from Silverstone’s rep.
Best known for: Her roles in ’90s flicks like Clueless and Batman & Robin. She’s also well known for her animal rights and environmental activism.
Baby’s daddy: Rock musician and basketball coach Christopher Jarecki, who Alicia’s been married to since ’05.
Memorable maternity moment: Alicia foreshadowed her pregnancy in an April ’10 interview with People magazine. While starring in a Broadway show as a pregnant woman, Alicia told People that “wearing a pregnancy suit was so much fun. I loved the feeling of pretending to be pregnant and having little arms and legs and this big belly… I’ve been wanting to have a baby since I was 2 years old — I’m destined to be a mother.”
Kate Hudson

Due date: Actress Kate Hudson gave birth to a “healthy baby boy” on July 9, 2011, said her rep. He is Hudson’s second child, but the first with her fiancé, Muse frontman Matthew Bellamy.
Best known for: Her movie career, including films like Almost Famous, How to Lose a Guy in Ten Days and Bride Wars, as well as her famous mother Goldie Hawn.
Baby’s daddy: Matthew Bellamy, her boyfriend since the spring of ’10 and the frontman for rock band Muse.
Memorable maternity moment: This is the second baby for Kate — she’s also mom to 7-year-old Ryder (by ex-husband Chris Robinson). A source told People magazine that “they couldn’t be more excited. Kate is really happy. She was always excited to have kids again at some point.”
Drea de Matteo

Due date: It’s a boy for Drea de Matteo and fiancé Shooter Jennings. The couple welcomed Waylon Albert “Blackjack” Jennings in April 2011.
Best known for: Her roles on TV shows The Sopranos and Desperate Housewives.
Baby’s daddy: Shooter Jennings, a singer-songwriter and son of country singer Waylon Jennings. The pair has been engaged since the summer of ’09.
Memorable maternity moment: This is baby number two for the couple, who are already Mom and Dad to three-year-old Alabama Gypsyrose.
Emma Bunton

Due date: Emma and her husband welcomed a son, Tate, on May 6, 2011. Tate weighed 7 lbs.
Best known for: Also known as Baby Spice from the 90s all-girl pop group The Spice Girls, Emma has since released three singles, made appearances on television, and filmed guest roles in two Bollywood films.
Baby’s daddy: Former lead singer of Damage, Jade Jones. The couple who have been dating since 2000 recently became engaged and already have a son together: Beau, 3 years.
Memorable maternity moment: Emma and her fiancé announced the news on Twitter, “So our family grows, we are SO excited to announce we’re having our 2nd baby and Beau’s wish for a brother or sister has come true!”
Evangeline Lilly

Due date: Evangeline and her boyfriend, Normal Kali, welcomed a baby boy in late May 2011.
Best known for: Formerly starring in the hit series, Lost.
Baby’s daddy: Boyfriend, production assistant, Norman Kali.
Memorable maternity moment: Last year Evangeline recited to late night host, Craig Ferguson a snippet of her yet unpublished children’s book, The Squickerwonkers. Now that she has a baby, let’s hope it’s his favorite bedtime story.
Ivanka Trump

Due date: Ivanka Trump and husband Jared Kushner welcomed their first child, a girl named Arabella Rose, on the morning of July 17, 2011. Trump announced the news on her Twitter account, writing: “We feel incredibly grateful & blessed. Thank you all for your support and well wishes!”
Best known for: Being Donald Trump’s daughter. Although she was born into fame, Ivanka has made a name for herself, too. She is currently the Vice President of Development & Acquisitions at the Trump Organization, and she also used to model.
Baby’s daddy: Owner of The New York Observer, Jared Kushner. The couple married in October 2009.
Memorable maternity moment: This will be the first baby for the power couple, and Ivanka, like Emma Bunton, announced the news on Twitter, “I have been wanting to share some amazing news with you all for some time… I’m pregnant!”
Tia Mowry

Due date: Tia Mowry and husband Cory Hardrict welcomed a son, Cree Taylor, on June 28, 2011.
Best known for: Her role as Tia Landry in the hit 90s sitcom Sister, Sister. She currently stars in the BET series The Game.
Baby’s daddy: Actor Cory Hardrict, who she married in April 2008.
Memorable maternity moment: Reportedly, her pregnancy will be documented in an upcoming TV show on the Style Network later this year.
Kim Zolciak

Due date: Kim Zolciak and boyfriend Kroy Biermann welcomed a son, Kroy Jagger Biermann, on May 31, 2011.
Best known for: Starring in The Real Housewives of Atlanta.
Baby’s daddy: Her 25-year-old beau, Atlanta Falcons player Kroy Biermann.
Memorable maternity moment: Kim, who has two daughters already, said her oldest Brielle’s, 14, reaction to her pregnancy was, “Oh my gosh. I’m going to lose my taxi driver.” Her younger daughter had a better reaction. “Ariana is super excited, but she’s got that mother hen personality. She takes care of the dog and she’s very nurturing.”
Jessica Alba

Due date: No due date yet!
Best known for: Starring in the television series Dark Angel and popular movies such as Sin City and Little Fockers.
Baby’s daddy: Producer Cash Warren. The couple wed in 2008 and has a daughter, Honor, 2 1/2.
Memorable maternity moment: Like Emma Bunton and Ivanka Trump, Jessica turned to social media to announce her pregnancy saying on Facebook and Twitter, “I thought I’d drop by to let you all in on some exciting news. Honor is going to be a Big Sister!”
Alyssa Milano

Due date: No due date yet!
Best known for: Starring in the hit TV shows Who’s the Boss? and Charmed.
Baby’s daddy: Creative Artists Agency Agent David Bugliari. The couple married in August 2009.
Memorable maternity moment: She’s been craving broccoli, “[But] I can’t even consider that a craving because it’s so odd,” she told E! Online. “I can’t get enough broccoli!”
Maya Rudolph

Due date: It’s a boy for Maya Rudolph and husband Paul Thomas Anderson! The funny mama gave birth to the couple’s first son, Jack, on July 3, 2011.
Best known for: Former cast member on Saturday Night Live, who also had memorable movie roles in Away We Go, Grown Ups, and MacGruber.
Baby’s daddy: Film director, screenwriter, and producer Paul Thomas Anderson with whom she already has daughters Pearl, 5, and Lucille, 1.
Memorable maternity moment: Chances are Ruldolph, whose next movie Bridesmaids is due this May, won’t let her bump slow down her work schedule. “I seem to be pregnant through all my movies, so I never seem to give anything up, do I?” she joked while promoting Grown Ups last June.
Melanie Brown

Due date: July/August
Best known for: Also known as Scary Spice from the 90s all-girl pop group The Spice Girls. Mel B has since released a solo album, hosted and appeared on several television shows, wrote a book, starred on a reality show, and competed on Dancing with the Stars.
Baby’s daddy: Movie producer Stephen Belafonte who Brown has been married to since June 2007. This is the couple’s first child together, though they’re both already parents: Brown has daughters Phoenix, 12, and Angel, 4, and film producer Belafonte has daughter Giselle, 6.
Memorable maternity moment: She told People, “I like the feeling of being pregnant. I like being able to just eat something if I’m craving it.”
Tina Fey

Due date: Late Summer
Best known for: Formerly starred on Saturday Night Live and appeared in Mean Girls, and currently on 30 Rock.
Baby’s daddy: Husband, composer Jeff Richmond. The couple wed in June 2001 and have a 5 year-old daughter Alice.
Memorable maternity moment: Fey, 40, announced the big news on a taping of The Oprah Winfrey Show. And in her new memoir Bossypants she reveals that she agonized over the decision of having baby number two, battling with the work-vs.-family issue. Obviously in the end, family won: “Hollywood be damned. I’ll just be unemployable and labeled crazy in five years anyway,” she says.
Tori Spelling

Due date: Fall
Best known for: Starring on Beverly Hills, 90210 in the 90s. Since then, she has starred as herself on So NoTORIous, Tori & Dean: Home Sweet Hollywood, and now Tori & Dean: sTORIbook Weddings.
Baby’s daddy: Husband, actor Dean McDermott. The couple, who married in May 2006, have a son Liam, 4, and daughter Stella, 2 ½. McDermott also has a son Jack, 12, from a previous marriage.
Memorable maternity moment: Spelling told People in February she was ready to add onto her family and shortly thereafter announced on April 11, 2011 on Twitter, “I know there’s been a lot of speculation, so I wanted everyone to hear from me … It’s official … Dean & I are PREGNANT!”
Ali Landry

Due date: Fall
Best known for: As the Doritos Girl from a 1998 Super Bowl commercial. The former model and beauty queen also played Rita Lefleur in the sitcom, Eve.
Baby’s daddy: Husband, film director Alejandro Monteverde. The couple wed in July 2007 and have a daughter Estela, 3 ½.
Memorable maternity moment: “They are very happy. And Estela is ecstatic to have a sibling on the way,” a source told People.
January Jones

Due date: Fall
Best known for: Starring as Betty Draper in the T.V. series, Mad Men.
Baby’s daddy: The baby’s paternity has been kept a secret so far.
Memorable maternity moment: With much speculation as to who could be the father, her rep told People, “She’s really looking forward to this new chapter in her life as a single mom.”
Jenna Fischer

Due date: No due date yet!
Best known for: Playing Pam Beesly on NBC’s The Office.
Baby’s daddy: Writer husband, Lee Kirk. The couple wed last July.
Memorable maternity moment: Fischer said becoming an aunt pushed her toward becoming a mommy, “I took charge of the night feedings. It was so awesome: Every night at 9:30, I’d say, ‘You guys go to sleep now.’ I wanted CeCe all to myself. We really bonded,” she told People.
Bryce Dallas Howard

Due date: No due date yet!
Best known for: Her roles in films such as this summer’s The Help, Eclipse, and Spiderman 3. Her father is director Ron Howard.
Baby’s daddy: Husband, actor Seth Gabel. The two married in February 2007 and have a son, Theo, 4.
Memorable maternity moment: She didn’t announce her pregnancy at the Cannes Film Festival, but her walk down the red carpet wearing a flowing Reem Acra dress hinted that she had a little one on the way.
Lily Allen

Due date: No due date yet!
Best known for: English recording artist and talk show host.
Baby’s daddy: Husband, Sam Cooper, owner of a building company. The couple wed on June 11, 2011.
Memorable maternity moment: Lily Allen, who has suffered from two public miscarriages, and her husband announced the happy news during their June nuptials.
Lindsay Price

Due date: No due date yet!
Best known for: For her roles as Janet Sosna on Beverly Hills, 90210 and as Joanna Frankel on Eastwick. She is also known for her work on soap operas such as All My Children and The Bold and the Beautiful.
Baby’s daddy: Boyfriend, Chef Curtis Stone.
Memorable maternity moment: “We couldn’t be more thrilled to be starting a family together,” Stone told Us. “We are over the moon.”
Source from: http://www.parents.com/parenting/celebrity-parents/moms-dads/celebrity-bumpwatch/?lastPage=true&page=40