Olympian Rebecca Adlington was always a water baby! The swimmer shared this cute #tbt snap on Thursday, to promote Women's Sport Week.
"I loved being in the water when I was younger and still do now even though I'm retired," she captioned the pic. "I have a lifetime of memories that I cherish and that I'm still building on now taking my daughter swimming. I have probably spent more of my life in the water than I have on land."
It looks like actress Blake Lively got to live a childhood dream when filming The Shallows earlier this year! She hasn't changed a bit!
Actress Michelle Dockery, best known for playing Lady Mary Crawley in the much loved period drama, Downton Abbey, shared this cute #throwback to her school days. These days she mixes with the stars and royalty - here she is meeting the Duchess of Cambridge.
How cute are Cara Delevigne's furrowed brows in this sweet #throwback? Little did she know those brows would propel her to supermodel status one day.
Here she is promoting Suicide Squad earlier this year, an American superhero film in which she stars alongside Margot Robbie and Will Smith.
National treasure Adele thanked her loyal fans by posting this #throwback to her childhood. Look at that smile!
Beyoncé shared this adorable baby #tbt with her #BeyHive. How much does Blue Ivy look like her superstar Mum?
Seems Justin Timberlake was destined for a career in the music industry judging by this snap he shared of himself strumming a ukulele.
Brazilian bombshell Gisele Bündchen posted this adorable #throwback with her twin sister, and captioned it "missing my partner in crime". Just look at those dummies!
Look at those braids! Taylor Swift showed us she's always had bags of style and sass in this childhood #tbt.
How sweet is baby Ri-ri! Nowadays Rihanna proves she's more than just a pretty face, having sold over 200 million records worldwide and becoming one of the best-selling artists of all time.