Serena Williams shares a photo of her daughter on Halloween

Serena Williams and Alexis Ohanian posted a photo of their daughter, Alexis Olympia Ohanian, Jr., for Halloween with the caption, "When you realize you’re the hero Gotham needs." on Instagram, Oct. 31, 2017.
@olympiaohanian/Instagram
Salma Hayek makes dinner with Ryan Reynolds and his daughter

Salma Hayek posted this photo to her Instagram account, Aug. 10, 2017.
@salmahayek/Instagram
Soccer star Cristiano Ronaldo introduces his newborn twins

Cristiano Ronaldo posted this photo to his Twitter account with the caption, "So happy to be able to hold the two new loves of my life," June 29, 2017.
Cristiano Ronaldo/Twitter
David Beckham takes his son Brooklyn to a movie premiere

Brooklyn Beckham and David Beckham attend the premiere of "King Arthur Legend of the Sword," in London, May 10, 2017.
Joanne Davidson/SilverHub/REX/Shutterstock
Sharon Stone takes two of her sons to a premiere

Roan Joseph Bronstein, Sharon Stone and Laird Vonne Stone attend the premiere of Penny Black Promotions' "A Little Something for Your Birthday" at Pacific Design Center, May 3, 2017, in West Hollywood, Calif.
Allen Berezovsky/Getty Images
Adam Levine Celebrates His Hollywood Star With His Wife and Daughter

Adam Levine, Behati Prinsloo and Dusty Rose Levine attend a ceremony honoring Adam Levine with star on the Hollywood Walk Of Fame, Feb. 10, 2017, in Hollywood, California.
Tommaso Boddi/WireImage/Getty Images
Boomer Phelps Hangs by the Pool With a New Toy

Michael Phelps posted this image to his Instagram account with the text, "Ladies and gentleman... today is my 8month bday... soooo I told mom I was going to play in the MLB one day," on Jan. 5, 2017.
boomerrphelps/Instagram
Chrissy Teigen Does Ballet With Her Daughter

Chrissy Teigen posted this photo to her Instagram account on Jan. 2, 2017.
Chrissy Teigen/Instagram
Ellen Pompeo Admits She's 'Boy Crazy'

Ellen Pompeo shared this image to her Instagram account of her newborn son, Jan. 1, 2017.
Ellen Pompeo
Ryan Reynolds and Blake Lively's Daughter Steals the Show

Ryan Reynolds' daughter James, left, steals the microphone as Reynolds poses with his wife, actress Blake Lively, and their youngest daughter during a ceremony to award him a star on the Hollywood Walk of Fame on Dec. 15, 2016, in Los Angeles.
Chris Pizzello/Invision/AP Photo
Chrissy Teigen Brings Her Daughter to Meet Santa

This photo was posted to Chrissy Teigen's Instagram account, Dec. 15, 2016.
@chrissyteigen/Instagram
Hilary Duff Smooches Her Son at Disneyland

This photo of Hilary Duff was posted to her Instagram account, Dec. 13, 2016.
@hilaryduff/Instagram
Brian Austin Green Shares Pics of His Smiling Family

Actor Brian Austin Green shared this image of his child to his Instagram account, Nov. 16, 2016.
Brian Austin Green
Brian Austin Green Shares Pics of His Smiling Family

Actor Brian Austin Green shared this image of his child to his Instagram account, Nov. 16, 2016.
Brian Austin Green
Shakira Cuddles Up to Her Son

Singer Shakira shared this intimate image of her son to her Instagram account, Nov. 15, 2016.
Shakira
Adam Levine and Behati Prinsloo Take Newborn Dusty to the Beach

Behati Prinsloo Levine posted this photo to her Instagram account, Nov. 14, 2016.
Behati Prinsloo Levine/Instagram
Chris Hemsworth Bonds With His Son

Elsa Pataky posted a photo to her Instagram of husband Chris Hemsworth sharing a sweet moment with their son on Nov. 6, 2016.
elsapatakyconfidential/Instagram

Gwen Stefani posted this photo to her Instagram account with the caption, "Happy b day little Leo," Nov. 6, 2016.
gwenstefani/Instagram
Victoria Beckham Snaps a Selfie with Cruz

Victoria Beckham posted a photo with her son Cruz to her Instagram account, Nov. 1, 2016.
Victoria Beckham/Instagram
Megan Fox Introduces Her 3rd Child

Megan Fox posted this photo on Instagram, Oct. 26, 2016.
the_native_tiger/Instagram
Padma Lakshmi Poses With Her Mini-Me Daughter

Padma Lakshmi posted this photo with her daughter to her Instagram account with the caption, "Perfect Sunday for the twins today," Oct. 23, 2016.
Padma Lakshmi/Instagram
Jessica Simpson Shares a Sweet Shot of Her Kids

Jessica Simpson shares a photo of her two kids on Oct. 13, 2016 with the caption, "Up Up and Away #maxidrew #aceknute".
jessicasimpson/Instagram
Beyonce Dances With Blue Ivy

Beyonce posted photos on her Instagram account, Oct. 7, 2016.
beyonce/Instagram
Reese Witherspoon Wishes Her Mini-Me Ava a Happy Birthday

Reese Witherspoon posted this photo of her daughter Ava to her Instagram account, Sept. 9, 2016, with the caption, "Can't believe my baby is 17 today! I love you. Your gorgeous heart and loving spirit never cease to amaze me! I'm so lucky the universe let me be your mother. "
Reese Witherspoon/Instagram
The Rock Shares a Photo of His Daughter

The Rock posted this photo on Instagram, Sept. 5, 2016.
therock/Instagram
Kelly Ripa Shares a Sweet Snap

Kelly Ripa posted this photo on Instagram with this caption: "Saying goodbye to big bro, the college freshman. (Whilst conspiring to take over his bedroom.)" Aug. 27, 2016.
kellyripa/Instagram
David Beckham Takes a Nap With His Baby

David Beckham posted this photo to his Instagram account with the caption, "Nap time," on Aug. 3, 2016.
davidbeckham/Instagram
Michael Phelps' Son Shows Off His Game Face

United States' Michael Phelps' son Boomer wears ear protection during the swimming competitions at the 2016 Summer Olympics, Aug. 8, 2016, in Rio de Janeiro.
Michael Sohn/AP Photo
Hilary Duff Shares a Sweet Snap of Her Son

Hilary Duff posts an image to her Instagram account with the text, "Ghost stories....." on Aug. 4, 2016.
hilaryduff/Instagram
Chris Pratt Spends the Day With His Son

This photo of Chris Pratt and his son are seen in this photo posted to Anna Faris' Instagram account, July 22, 2016.
@annafaris
Zoe Saldana Shares a Photo of Her Twins

Zoe Saldana posted a photo on her Instagram account on July 21, 2016.
zoesaldana/Instagram
John Legend Shares Sweet Snap of Daughter, Luna, While on Vacation

John Legend shared this image of his daughter while on vacation to his Instagram account, July 20, 2016.
John Legend
Michael Phelps Takes a Dip with His Son

Michael Phelps shared this image to his Instagram of his newborn and their time in the pool, July 6, 2016.
Michael Phelps
Milla Jovovich Takes Her Mini-Me Daughter to Paris Fashion Week

Milla Jovovich and her daughter, Ever Gabo, attend the Chanel Haute Couture Fall/Winter 2016-2017 show as part of Paris Fashion Week, July 5, 2016, in Paris.
Pascal Le Segretain/Getty Images
Mariah Carey's Kids Celebrate the Fourth in Style

Mariah Carey shared this adorable image of her twin children celebrating the Fourth of July to her Instagram, July 4, 2016.
Mariah Carey
Neil Patrick Harris Spends the Day With His Adorable Family

Neil Patrick Harris shared this image of his husband and children while on vacation, June 29, 2016.
Neil Patrick Harris
Sarah Jessica Parker Shares a Photo of Her Twins on Their 7th Birthday

Sarah Jessica Parker shared this image of her twin daughters to her Instagram account to wish them Happy Birthday, June 22, 2016.
Sarah Jessica Parker
Chrissy Teigen Shares a New Photo of Her Daughter With John Legend

Chrissy Teigen posted this photo of her and John Legend's daughter to Instagram, June 19, 2016.
Chrissy Teigen/Instagram
Kelly Ripa Celebrates Her Son's Graduation and Her Daughter's Birthday

Kelly Ripa posted a photo on her Instagram account, June 17, 2016.
kellyripa/Instagram
Michael Phelps Shares Sweet Pic of Son

Michael Phelps posted this photo on Instagram with this caption, "Boomer says what's up y'all!!!"
m_phelps00/Instagram

This photo of Mariah Carey and her children was posted to her Instagram account, May 30, 3016.
@mariahcarey/Instagram
Soleil Moon Frye Introduces Her Son Story

Soleil Moon Frye posted an image on her Instagram account in May 2016.
moonfrye/Instagram
John Legend Shares a Sweet Photo of Their Adorable Baby

John Legend posted a photo on Instagram with this caption: "Burpface," May 18, 2016.
johnlegend/Instagram
Whose Son Made S'mores for the First Time?

Chris Pratt posted this photo of his son, Jack, making s'mores for the first time to his Instagram account, May 16, 2016.
@prattprattpratt/Instagram
David Beckham Shares Sweet Pic of Daughter Harper

A screen grab from a video posted to David Beckham's Instagram account of his daughter Harper, May 11, 2016.
David Beckham/Instagram
Whose 22-Month-Old Daughter Loves Ice Cream?

Jimmy Kimmel shared this photo of his daughter on Jimmy Kimmel Live, May 1, 2016.
Jimmy Kimmel Live
Anna Faris Cuddles Up to Son Jack

This photo was posted to Anna Faris' Instagram account on May 8, 2016 with the text, "Here is Anna on Mother's Day with our twin sons Jack and T-Rex. Even now it's hard to tell them apart some times."
prattprattpratt/Instagram
Gwen Stefani Poses on the Red Carpet With Her Niece

Stella Stefani and Gwen Stefani attend the 2016 Radio Disney Music Awards, April 30, 2016, in Los Angeles.
Lionel Hahn/Abacausa/startraksphoto.com
Whose Little Girl Is Almost Four Years Old?

Jessica Simpson shared this image of her daughter, who will turn 4 yrs old on May 1st, to her Instagram account, April 25, 2016.
Jessica SImpson
Chris Pratt Shares a Sweet Photo of His Son

Chris Pratt posted this photo to his Instagram account, April 21, 2016, with the caption, "This morning Jack found a rainbow on the wall. I honestly couldn't figure out where it was coming from which according to science means it's some sort of portal. You ever see Stargate? Exactly. We were careful not to get too close. I snapped this photo and it dawned on me how much Jack looks like Anna. They are both so beautiful. Sleeping in with the two of them is my greatest treasure."
Chris Pratt/Instagram
John Legend Shares a Photo of His Newborn Daughter Luna

John Legend shared this image of his newborn daughter, Luna, to his Instagram, April 20, 2016.
John Legend/Instagram
Drew Barrymore Enjoys Mother-Daughter Yoga with Olive

Drew Barrymore this image of herself doing yoga with her daughter to her Instagram account, April 7, 2016.
Drew Barrymore/Instagram
Khloe Kardashian, Penelope Disick and North West Sport Matching Braids

Khloe Kardashian, Penelope Disick and North West are seen here in this image posted to Kim Kardashian's Instagram account, April 4, 2016.
@kimkardashian/Instagram
Alicia Keys Shares a Photo of Son Egypt

Alicia Keys shared this image of her son, Egypt, in a video she posted to her Instagram account, March 29, 2016.
Alicia Keys/Instagram
Cindy Crawford's Children Hit the Red Carpet

Presley Gerber and sister Kaia Gerber are seen at the Daily Front Row's Fashion Los Angeles Awards in Los Angeles, March 20, 2016.
Gilbert Flores/Broadimage
Gwen Stefani Performs with Her Boys By Her Side

Gwen Stefani, Kingston Rossdale, Jimmy Kimmel and Apollo Rossdale are seen at 'Jimmy Kimmel Live,' Feb. 16, 2016, in Los Angeles.
GC Images/Getty Images
Drew Barrymore Gives Her Daughter a Kiss

Drew Barrymore posted an image to her Instagram account, Feb. 15, 2016.
drewbarrymore/Instagram
Tobey Maguire and His Family Take in a Fashion Show

Actor Tobey Maguire, Ruby Maguire, designer Jennifer Meyer, in Saint Laurent by Hedi Slimane, and Otis Tobias Maguire attend Saint Laurent at the Palladium, Feb. 10, 2016, in Los Angeles.
Kevin Mazur/Getty Images
Coco Shares a Sweet Snap of Her Daughter

Coco posted this photo on Instagram with this caption, "My little lovebug... This is the new sneaky look she gives," Jan. 28, 2016.
coco/Instagram
Channing Tatum Shares a Sweet Photo of Everly and Their Goat

Channing Tatum posted an image of his daughter on his Instagram account, Jan. 26, 2016.
channingtatum/Instagram
Hilary Duff's Son Gets Ready for School

Hilary Duff posted this image of her son getting ready to go to school with the caption, "Strut," on Jan. 19, 2015.
hilaryduff/Instagram
Whose Son Is 'Behind Bars'?

Olivia Wilde posted a photo of her son on her Instagram account on Jan. 5, 2015 with the message: "Finally behind bars. #heartthief."
oliviawilde/Instagram
Daphne Oz Shares the First Photo of Her New Son

Daphne Oz shared this photo of her newborn son to her Instagram, Jan. 5, 2016.
Daphne Oz/Instagram
Reese Witherspoon and Son Enjoy Time by the Pool

A photo posted to Reese Witherspoon's Instagram on Jan. 3, 2016 with the caption, "Last day of vacation!"
reesewitherspoon/Instagram
Tori Spelling Celebrates New Year's With Her Children

Tori Spelling posted this photo on Instagram with this caption: "MamaBear and my Cubs gathered to ring in the NewYear (East Coast Feed) w/ family! Thx scoutmasterson, thebillhorn for the fabulous digs & imdeanmcdermott for the delicious dinner! 2016," Dec. 31, 2015.
torispelling/Instagram