The nation's favourite celebrities have joined forces to share a bunch of childhood photos on social media, with fans blown away by the unrecognisable snaps.
People have gone wild for the throwback pictures which have come from radio hosts, reality stars, celebrity chefs and fashion designers - and you may have trouble recognising them all.
The stars have come together in support of Kate Middleton's early years campaign, Shaping Us, which aims to "give generations of children the best start in life".
First up is a member of a popular 90s girl group who shared a picture of herself wearing an adorable knitted poncho.
The singer, now 48, rose to fame as one fifth of the Spice Girls and enjoyed years of musical success before turning her hand to fashion designing.
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Instagram)Victoria Beckham, who is well-known for her years spent as Posh Spice, shared a picture from when she was three years old and said she had already started "experimenting with fashion".
In the snap, she crouched beside a toy pram and frowned at the camera.
A former professional footballer also joined in on the action and showed how he got started on his career goals when he was just four years old.
Victoria's husband David Beckham laughed as he said he was "practicing free kicks" as a child.
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Instagram)Next up is another popstar who began her career in S Club Juniors before going on to perform with The Saturdays.
The 33-year-old has since turned to presenting shows such as This Morning and often appears alongside her husband.
Sharing a throwback picture, Rochelle Humes wrote: "Little me.. 4 years old. I hear double denim is back.. ahead of the curve... Our early childhood shapes the rest of our lives."
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Instagram)Our fourth star is someone who is well-known for keeping calm while making delicious meals on TV, having started his career as a pastry chef.
He has gone on to open a string of restaurants and released a number of popular recipe books.
Jamie Oliver shared an adorable snap of himself wearing brown corduroy pants as he roller skated down the street at five years old.
Alongside the picture, he said: "Check out how happy I look in my brown cords, trackie top and strap-on roller skates!
"I feel so lucky I had a great childhood, growing up in my mum and dad's pub.
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Instagram)"Not only did it give me a thirst for food knowledge, and a passion for pursuing that as a career, it taught me about people and community."
This next celebrity rose to fame in the 90s, presenting children's TV and radio shows. She's enjoyed a long career and has even gone on to write an incredible eight books.
Fearne Cotton posted a picture of herself at four years old, wearing denim overalls and a blue patterned top.
She said it was "the age I started to cultivate my own style," adding that she also "started to get super passionate about art and creativity" at this time.
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Instagram)Once a policy advisor to the Department of Education, this celebrity went on to compete in the fourth series of Love Island.
She coupled up with Adam Collard on the show before going on to find love with Made in Chelsea star Sam Thompson.
The 26-year-old also became a regular on the reality show in 2019 before leaving the following year.
Zara McDermott shared a picture from 2001, when she was five years old and said she often remembers this time fondly.
"The only memories I have from the ages of 0-5 are those where I was surrounded by my family.
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zara_mcdermott/Instagram)"One of my favourite memories is my mum making me my own mermaid tail out of old curtains, because I was obsessed with the little mermaid! I would lay on the floor and flip about with my tail on!
"I also have so many memories of being SO excited for my daddy to come home from work.
"He would race down the M25 to get home to me as soon as possible, to try and see me before I went to sleep," Zara wrote.
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Instagram)The seventh celebrity taking part in the campaign is well-known for hosting his Capital FM show, a place he has worked since 2014.
He channelled his fighting energy to place third in the 2019 series of I'm A Celebrity, Get Me Out Of Here.
Roman Kemp captioned his throwback picture: "5 years old...ready for the fight!"
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Instagram)Another I'm a Celebrity campmate, this star actually went on to be crowned the Queen of the Jungle in 2020.
She's accomplished a lot in her career and is a blogger, podcaster, author and actress. The 38-year-old is also married to a member of the popular boyband McFly.
Giovanna Fletcher married Tom Fletcher in 2012 and the couple share three children - Buzz, Buddy and Max.
She captioned her throwback snap: "Me as a 1 year old. In fact, this was taken on my first birthday - hence the plate of homemade cupcakes in front of me.
"Looking at the other photos of this day I was surrounded by laughter and food."
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Instagram)Our last celebrity shared a cute picture of himself having fun with his "eternally loving" sister as the pair fell over a garden chair.
The 49-year-old star is beloved by mums across the nation and is well-known for his days hosting the X Factor.
He now splits his time between his BBC Radio 2 duties and ITV shows and presents This Morning during the school holidays.
Dermot O'Leary gave a cheeky grin to the camera in his throwback picture.
He wrote: "Never happier than playing with my eternally loving, patient sister Nicola."
