These stars take it way back with these throwback photos

Catherine Zeta-Jones Look at those cheeks! While sifting through her old family photos, the Chicago star found this picture of her as a six-month-old baby. In the black-and-white image, which was shared on her Instagram account, Catherine looked adorable dressed in a white lace dress as she smiled for the camera. The actress captioned the photo: "I haven't changed a bit!! Six months old. #TBT," which resulted in a mass of comments from fans. One wrote: "Very sweet indeed," while another said: "Beautiful even as a baby." A third added: "Beautiful as ever." Photo: Instagram/@catherinezetajones

Julia Roberts To celebrate her 50th birthday, Penelope Cruz shared this adorable throwback photo of the Pretty Woman star on Instagram proving she has always had that million dollar smile. Penelope wrote: "This ray of light is 50 today! Happy birthday #juliaroberts ❤️Este rayo de Luz cumple 50 hoy! Feliz cumpleaños #juliaroberts ❤️" Photo: Instagram/@penelopecruzoficial, Getty Images

Antonio Banderas For his August 10 birthday in 2017, actor Antonio Banderas shared this adorable photo of himself blowing out his candles back when he was just three years old. "So grateful for your birthday wishes and kind gestures. The real gift is to have you close. Thanks!" he wrote alongside the Instagram pic. Photo: Instagram/@antoniobanderasoficial

Michelle Obama The former first lady shared a beautiful throwback in honor of her mom Marian Robinson's birthday. She posted a pic of herself as a youngster hugging her mom, captioning it: "Happy Birthday mom! Your unconditional love has made me who I am today. You are my rock. I'll always be your Miche. I love you." Photo: Instagram/@michelleobama/ Getty Images

Miranda Lambert The country singer showed off her athleticism with this throwback photo from eighth grade. Along with the photo that showed her with braces, she wrote: "My 8th grade self pretending to be good at sports! #benchwarmer #thosebangstho #dishwaterblonde #throwbackthursdays #braceface " Photo: Instagram/@mirandalambert, Getty Images

Bruno Mars The singer posted a Wayback Wednesday of himself that showed how much he hasn't changed in all these years. Equipped with a mini guitar and his perfect coiff, he was made for stardom long before people knew the name Bruno Mars. Photo: Instagram/@brunomars, Getty Images

Penelope Cruz and dancer-actress sister Monica Cruz Penelope's little sister looks just like her mini-me! The sisters look adorable in their matching dress and hair bow outfits. Photos: Getty Images, Instagram/@penelopecruzoficial

Adele and Kelly Osbourne Adele and Kelly jam out together in this throwback pic. Looks like Adele's whipped out her singing chops way back when! Photo: Getty Images/Instagram/@kellyosbourne

Mandy Moore Mandy Moore rocks a funky Hawaiian dancer look as a kid - she's got the skirt, the moves, and everything! Photos: Instagram/@mandymooremm/PA Images

Ivanka Trump Ivanka shows us her silly side in this old picture of her iceskating. Photos: Instagram/@ivankatrump/PA

Emily Ratajkowski Emily hasn't changed a bit! She looks extra cute posing with her puppy in this sweet photo. Photos: Instagram/@emrata/Anthony Harvey/Getty Images

Taylor Swift and Austin Swift Not much is different as these blonde cuties continue to do everything together from horseback riding to going to awards shows. Photo: Instagram/@austinkingsleyswift/Getty Images

Candace Cameron Bure and Scott Weinger From a famous 90's couple to now, these two continue to look as sweet as ever together. Photo: Instagram/@candacecbure/@scottweinger

The Kardashian-Jenner clan in a Thanksgiving throwback, left, clockwise: Rob Kardashian, Kim Kardashian, Khloé Kardashian, Kourtney Kardashian, Kylie Jenner and Kendall Jenner. Photo: Instagram/@kimkardashian, @kyliejenner

Katie Holmes Like mother like daughter, she looks just like Suri Cruise! Photo: Instagram/@katieholmes212/Getty Images

Simon Cowell Simon's signature smirk never goes out of style - or changes one bit! Photos: ITV/Edwards David ABACA/PA Images

Kourtney and Kim Kardashian Sisters are forever. These two have an incredibly close bond like no other - and how cute are those costumes?! Photos: Instagram/@kourtneykardash

Melanie Griffth and Dakota Johnson She's her mother's daughter! Dakota and Melanie's resemblance is uncanny no matter what age. Photo: Instagram/@melanie_griffith57

Blake Lively Give me a B-L-A-K-E, what does that spell? A fun pic of Blake back when she was a cheerleader in high school! Photo: Van Tine Dennis ABACA USA/PA Images/Instagram/@blakelively

Lourdes Leon What a cutie! Madonna shares a pic of her daughter looking adorable in braids and face paint. Photo: Instagram/@madonna

Halle Berry and Bethenny Frankel An unexpected duo! Yes, turns out Halle and Bethenny were both in the same beauty pageant way back when. Photos: PictureGroup SIPA USA/PA Images/Instagram/@bethennyfrankel/Mjt/Admedia Zuma Press/PA Images

John Stamos What's more adorable than baby John Stamos awkwardly posing on a stepping stool? Photos: Instagram/@johnstamos/Admedia, Inc SIPA USA/PA Images

Reese Witherspoon The classic kindergarten look consists of pigtails and bangs as seen on mini Reese. Photos: Instagram/@ReeseWitherspoon/Getty Images

Kate Beckinsale As cute as a button! Kate shares a classic baby candid of herself. Photo: Twitter/KateBecksale/Getty Images

John Stamos with Elizabeth Olsen Full House? Not exactly! John Stamos poses with the Olsen twins' little sister, Elizabeth. Photo: Twitter/@johnstamos

January Jones What a fashion statement! January Jones shows us how fun (and funny) it is to look at our outfits and style as kids.
Photo: Instagram/@januaryjones

Katie Holmes This sweet pic of Katie is the essence of childhood - overalls and all!

Photo: Instagram/Getty Images

Ashley Benson Pretty in pink! Ashley looks like a real-life Barbie doll in this throwback pic.
Photo: Instagram/@itsashbenzo

Margot Robbie Margot unveils her sexiest pic: glasses, turtleneck, and teacup oh my!
Photo: Hulu/Getty Images

Gisele Bündchen It's meant to be! Gisele has been striking a model pose since she was a baby!
Photo: Instagram/Getty Images

Jacob Tremblay
He's still technically a baby, but how cute does he look with a mohawk?! Photo: Instagram/jacobtremblay/WireImage

Bella and Gigi Hadid
Sisterly love never gets old! Bella and Gigi warm our hearts in this sweet pic of them hugging each other tight. Photo: Getty/Instagram/@bellahadid

Blake Lively
Under the sea, it's meant to be! The ocean must be calling Blake's name, she was made for the beach. Photo: Getty/Instagram/@blakelively

Joe Manganiello
The smolder is the same, for sure. Joe may have rocked different styles, but his look is uncanny. Photo: Getty/Instagram/@joemanganiello

Hugh Jackman
This graduate looks oddly familiar! Hugh Jackman rocks the graduation gown like no other. Photo: Getty/Instagram/@hughjackman

Hilary Duff
A smile as bright as day! Baby Hilary looks glamorous no matter what age. Photo: Getty and Twitter/@HilaryDuff

Ryan Reynolds

Ryan Reynolds used to be about the same size as a football! This cutie sports the outdoorsy look in this throwback. Photo: Getty Images/Instagram/@vancityreynolds

Diane Kruger
Diane looks like a prom queen in this pretty pic. Photos: Getty Images and Instagram/@dianekrugerperso

Enrique Iglesias
This schoolboy is actually pop sensation Enrique Iglesias, who would have guessed?! Photos: Getty Images/twitter/@enrique305

Kim Kardashian and Nicole Richie
These reality stars shared their teen years together. Photos: Getty Images and Instagram/@nicolerichie

Calvin Harris
College student or Calvin Harris? Both! We've all had one of those nights, even artists. Photos: Getty Images and Instagram/@calvinharris

Taylor Swift
Taylor Swift looks different without her classic red lip! Photos: Getty Images and Instagram/@taylorswift

Cindy Crawford
Cindy shares an oldie but goodie. Photos: Getty Images and Instagram/@cindycrawford

Amanda Seyfried
This blondie with a bob is Amanda Seyfriend! Photos: Getty Images and Instagram/@mingey

Dwayne Johnson
The Rock looks like two different people here, but this 80's dude wearing a turtleneck and chain is really him! Photos: Getty Images and Instagram/@dwaynejohnsonofficial

Katy Perry
She's as cute and adventurous as a sailor, Katy Perry poses sweetly in this oldie. Photos: Getty Images and Twitter/@katyperry

Karlie Kloss
Karlie Kloss shares one of her first model photos taken before becoming the supermodel she is today. Photos: Getty Images and Instagram/@karliekloss

Jordin Sparks
This little hula girl is Jordin Sparks looking adorable adorned with pretty flowers. Photos: Getty Images and Instagram/@jordinsparks

Justin Timberlake
Born to sing! Justin's been performing since the beginning of time, music truly is his life! Photos: Getty Images and Instagram/@justintimberlake

Kylie Jenner
Kylie might not have kept her promise, but she sure took initiative as she created her own cosmetic empire. Photos: Getty Images and Instagram/@kyliejenner

Reese Witherspoon
Reese goes behind the camera in this old pic. Photos: Getty Images and Instagram/@reesewitherspoon

Miranda Kerr
Miranda Kerr looks like an angel in her little white dress and holding pretty white flowers. Photos: Getty Images and Instagram/@mirandakerr

Lauren Conrad
Who doesn't love a classic professional photo our parents had us take as kids? Lauren sure looks chipper! Photos: Getty Images and Instagram/@laurenconrad

Rihanna
Badgal shares the cutest throwback of herself on instagram. Photos: Getty Images and Instagram/@badgalriri

Rita Ora
Under all that glam, Rita Ora doesn't look much different. Here she shares a pretty beachy throwback. Photos: Getty Images and Instagram/@ritaora

Zac Efron Get your head in the game! Zac is a sports fan at heart, ever since he was a kid.

Giuliana Rancic
Poised as always! Giuliana is always camera ready no matter how little. Photos: Getty Images and Instagram/@giulianarancic

Taraji P. Henson
Taraji looks as fashionable as ever in this throwback. Her style is always on point! Photos: Getty Images and Instagram/@tarajiphenson

Vanessa Hudgens
What a cute fruit lady! Vanessa is all decked out in fruit for a costume as a little girl. Photos: Getty Images and Instagram/@vanessahudgens

Lucy Hale
Lucy looks #unimpressed in this Christmas pic when she was just a toddler. Photos: Getty Images and Instagram/@lucyhale