Kerry Washington kisses her "Scandal" co-star, Katie Lowes at her baby shower in this image Washington posted to her Instagram account, July 29, 2017.

Amanda Seyfried attends the "The Last Word" Los Angeles Premiere held at ArcLight Hollywood, March 1, 2017.

Actress Natalie Portman attends the 28th Annual Palm Springs International Film Festival Film Awards Gala at the Palm Springs Convention Center, Jan. 2, 2017, in Palm Springs, California.

Maks Chmerkovskiy posted a photo to his Instagram account of his wife Peta Murgatroyd with the caption, "But first...a little make up," Jan. 2, 2016.

Tori Spelling attends the Grand Re-Opening Event For "From Coraline To Kubo: A Magical LAIKA Experience" at The Globe Theatre, Dec. 21, 2016 in Universal City, California.

Natalie Portman stopped for a coffee before going on a walk in Silverlake, California, Dec. 6, 2016.

Molly Sims attends a screening of "Office Christmas Party" film at Landmark Sunshine Cinema on Dec. 5, 2016 in New York.

Marion Cotillard attends the 'Assassin's Creed' Berlin Photocall at Cafe Moskau, Dec. 1, 2016, in Berlin.

Irina Shayk, who is reportedly expecting her first child with boyfriend Bradley Cooper, poses after taking part in the 2016 Victoria's Secret Fashion Show at the Grand Palais in Paris on Nov. 30, 2016.

Cheryl Cole turns on the Christmas lights at St. James Church in London during the The Piccadilly Christmas Concert, Nov. 29, 2016.

Ciara attends the 2016 American Music Awards at Microsoft Theater in Los Angeles, Nov. 20, 2016.

Mila Kunis is spotted out and about in Studio City, California, Nov. 15, 2016.

Tori Spelling shows off her baby bump at the Moana World Premier at El Capitan Theatre in Hollywood, California, Nov. 14, 2016.

Natalie Portman is spotted in Los Feliz, California, Nov. 14, 2016. Natalie is currently expecting her second child with her husband Benjamin Millepied.

Gal Gadot shared a photo on her Instagram account, Nov. 6, 2016.

Ciara is seen on the set of a photo shoot, Nov. 3, 2016, in New York.

Sophie Hunter and Benedict Cumberbatch attend the Screening of Marvel Studios' "Doctor Strange" hosted by Lamborghini with the Cinema Society, Jaeger-LeCoultre and 19 Crime Wines at AMC Empire, Nov. 1, 2016, in New York.

Katherine Heigl flaunts her baby bump while waiting for valet with husband Josh Kelley in Los Angeles on Oct. 29, 2016.

A heavily pregnant Natalie Portman shows off her baby bump as she leaves Gracias Madre restaurant after a lunch date in West Hollywood, California, Oct. 27, 2016.

Molly Sims attends America's Messiest baby Contest Launch at Maman Bakery Tribeca on Oct. 25, 2016 in New York.

A pregnant Peta Murgatroyd poses at the 2016 People's One to Watch Event in Los Angeles.

Pregnant Mila Kunis steps out to the salon in Beverly Hills, California, Oct. 12, 2016.

Pregnant Marion Cotillard covers up her baby bump with a simple black shift dress as she attends the "Mal de Pierres" Paris Premiere at Cinema Gaumont Marignan, Oct. 10, 2016, in Paris.

Molly Sims arrives for the Metropolitan Fashion Week 2016 - La Vie En Bleu, a Signature Event Benefiting Autism Speaks at Warner Bros. Studios on Sept. 29, 2016 in Burbank, California.

Pregnant Olivia Wilde walks home from breakfast in Brooklyn, New York, Sept. 15, 2016.

A heavily pregnant Mila Kunis leaves a child development class in Los Angeles on Sept. 27, 2016.

Natalie Portman attends a photocall for 'Planetarium' during the 73rd Venice Film Festival at Palazzo del Casino, Sept. 8, 2016, in Venice, Italy.

Kerry Washington is seen, Aug. 14, 2016, in Brentwood, California.

A heavily pregnant Mila Kunis is seen in Los Angeles, Sept. 7, 2016.

Actress Katherine Heigl arrives at the CBS, CW, Showtime Summer TCA Party at the Pacific Design Center, Aug. 10, 2016, in West Hollywood, Calif.

Behati Prinsloo shows off her baby bump in a mirror selfie on her Instagram account with the caption "34 weeks" on Aug. 8, 2016.

Tatyana Ali is seen on Aug. 4, 2016 in Los Angeles.

Pregnant Olivia Wilde is spotted out for lunch in New York City, on Aug. 3, 2016.

Mila Kunis and Kristen Bell attend the premiere Of STX Entertainment's "Bad Moms" at Mann Village Theatre, July 26, 2016, in Westwood, California.

Blake Lively is seen walking in Soho, July 13, 2016, in New York.

A very pregnant Liv Tyler leaves her house for a day in the sun, June 30, 2016, in New York City.

Mila Kunis attends the "Bad Moms" premiere at Metrograph, July 18, 2016, in New York.

Alanis Morissette showed off her growing baby bump in this image she shared to her Instagram account, June 28, 2016.

Blake Lively is seen heading to her Manhattan hotel on June 20, 2016 in New York City.

Kerry Washington, Actors Inspiration Award Recipient, attends the SAG-AFTRA Foundation 7th Annual L.A. Golf Classic Fundraiser on June 13, 2016 in Los Angeles.

Olivia Wilde attends the 2016 CFDA Fashion Awards at the Hammerstein Ballroom, June 6, 2016, in New York City.

Megan Fox is seen at 'Jimmy Kimmel Live' on May 31, 2016 in Los Angeles.

Alec Baldwin and Hilaria Baldwin at the New York Philharmonic's Spring Gala 2016 at David Geffen Hall in New York, May 24, 2016.

Pregnant actress and busy mom Emily Blunt is seen leaving a children's salon in Studio City, Calif. after taking her daughter to get a haircut, May 19, 2016.

Megan Fox, who is pregnant with her third child, steps out solo for lunch, showed off her baby bump beneath a black maxi dress, denim shirt and a pair of flip flops on May 15, 2016 in Los Angeles.

Nicky Hilton is spotted caressing her growing baby bump while taking a stroll in New York, May 11, 2016.

Blac Chyna and fiance Rob Kardashian arrive at the Blac Chyna's birthday celebration and unveiling of her 'Chymoji' Emoji Collection, May 11, 2016, in Hollywood, Calif.

Olivia Wilde stepped out in Brooklyn, N.Y., May 10, 2016.

Adam Levine posted this image with the caption, "Week 20 and I'm finally popping!," May 3, 2016.

Actor Alec Baldwin and wife Hilaria Thomas attend the 2016 TCM Classic Film Festival opening night gala at The TCL Chinese Theatre IMAX on April 28, 2016 in Hollywood, Calif.

Behati Prinsloo posted a picture of herself on her Instagram account, April 20, 2016.

Keri Russell is seen strolling in Gramecy, April 18, 2016, in New York City.

Actress Emily Blunt attends the premiere of Universal Pictures' "The Huntsman: Winter's War" at the Regency Village Theatre, April 11, 2016, in Westwood, Calif.

Tatyana Ali attends the Black Girls Rock! 2016 show at New Jersey Performing Arts Center, April 1, 2016 in Newark, N.J.

Erika Christensen attends the premiere of "Confirmation" at Paramount Theater on the Paramount Studios lot, March 31, 2016, in Hollywood, California.

Anne Hathaway shows off her baby bump while enjoying a hike near Runyon Canyon in Los Angeles with her husband, Adam Shulman, March 12, 2016.

Soleil Moon Frye attends the 7th Lindt Gold Bunny Celebrity Auction Benefiting Autism Speaks Launch at Lindt Chocolate Shop on March 10, 2016 in New York.

Liv Tyler is seen in New York City, March 9, 2016.

Nicky Hilton, who is pregnant, ran some errands in New York, March 3, 2016. Hilton is expecting her first child with her husband, James Rothschild, and she is due this summer.

Alanis Morissette and her family go snorkeling with Woody Harrelson and his family in Maui, Hawaii, March 3, 2016.

Pregnant Anne Hathaway shows off her massive baby bump while out for a stroll in Los Angeles, March 1, 2016.

Liv Tyler attends The Elle Style Awards 2016 on Feb. 23, 2016 in London.

Emily Blunt and John Krasinski are seen in Los Angeles, Feb. 16, 2016.

Chrissy Teigen attends Sports Illustrated Swimsuit 2016 Swim Beach fan festival on Feb. 17, 2016 in Miami Beach.

Scott Stuber and Molly Sims arrive to watch the Super Bowl in Santa Clara, Calif, Feb. 7, 2016.

Anne Hathaway heads to the gym after a morning coffee run, Jan. 20, 2016 in West Hollywood, Calif.

Actress Liv Tyler arrives at the 21st Annual Critics' Choice Awards at Barker Hangar, Jan. 17, 2016, in Santa Monica, Calif.

Chrissy Teigen posted this photo to Instagram, Dec. 26, 2015.

Anne Hathaway shows off her growing baby bump, Dec. 16, 2015, in New York.

Pregnant English television presenter, actress, singer and model, Cat Deeley does some shopping on Melrose Place in West Hollywood, Calif, on Nov. 27, 2015.

Bobby Cannavale and Rose Byrne attend the 8th Annual Museum Of Modern Art Film Benefit honoring Cate Blanchett at Museum of Modern Art, Nov. 17, 2015, in New York.

This photo was posted to Chrissy Teigen's Instagram account on Oct. 18, 2015 with the text, "Somebody is early to the party."

Ivanka Trump attends the 2015 New York City Ballet Fall Gala at David H. Koch Theater at Lincoln Center, Sept. 30, 2015, in New York.

Tom Hardy and Charlotte Riley attend the premiere of "Legend" at Odeon Leicester Square on Sept. 3, 2015 in London.

Kristin Cavallari posted this photo to Instagram on Aug. 16, 2015 with the caption, "Thank you @virginhotelschifor the amazing prenatal massage."

Television Personality Coco Austin and Actor Ice-T are seen in Soho, July 29, 2015, in New York.

Kristin Cavallari appears in a photo posted to her Instagram account on June 4, 2015 with the text, "Dressing for the bump now..its out and about!"

This image appeared on model Brooklyn Decker's Instagram account on May 2, 2015 with the text, "So this happened... #the3ofus."

Naya Rivera attends the 101st Annual White House Correspondents' Association Dinner at the Washington Hilton, April 25, 2015, in Washington.

Actress Jaime King attends the Burberry "London in Los Angeles" event at Griffith Observatory, April 16, 2015, in Los Angeles.

A pregnant Jennifer Love Hewitt shows off her growing baby bump while out and about in Santa Monica, Calif., April 9, 2015.

Pregnant actress Milla Jovovich looks ready to pop while enjoying a hike with her husband Paul W.S. Anderson and their dogs on March 24, 2015 in Los Angeles, Calif. The happy couple are expecting their second child together!

Ashlee Simpson is seen in Los Angeles, March 20, 2015.

Model Molly Sims and actress Kate Hudson attend VH1's "Barely Famous" premiere screening and party at The London Hotel, March 12, 2015, in West Hollywood, Calif.

Alec Baldwin and Hilaria Baldwin attend the Bent on Learning 6th Annual Inspire! Gala, March 10, 2015 in New York.

Naya Rivera arrives at Newark Liberty International Airport in Newark, N.J., March 9, 2015.

Milla Jovovich and Paul W. S. Anderson walk in Los Angeles, March 6, 2015.

Heavily Pregnant Jessica Biel seen wearing dirty denim overalls on the set 'The Devil and The Deep Blue Sea', Feb. 25, 2015 in Los Angeles, Calif. Her big baby bump hasn't seemed to stop the star from working and she appeared to glow as she worked on set.

Actress Tiffani Thiessen attends AOL's BUILD Speaker Series at AOL Studios in New York, Feb. 24, 2015, in New York.

Jaime King is seen, Feb. 19, 2015, in Los Angeles.

Ashlee Simpson, right, and Evan Ross, left, are pictured in Beverly Hills, Calif. on Feb. 9, 2015.

Pregnant with her second child with Sasha Baron Cohen, Isla Fisher walks with friends in Hollywood in Los Angeles, Calif., on Jan. 29, 2015.

Actress Keira Knightley arrives at the 21st Annual Screen Actors Guild Awards at The Shrine Auditorium, Jan. 25, 2015 in Los Angeles.

Carrie Underwood posted this photo to Twitter on Jan. 22, 2015 with the caption, "Pregnancy perk: using my belly as a tabletop for my snacks! Nom nom nom..."

Ali Larter shows off her growing baby bump in Los Angeles, Jan. 8, 2015.