Some of Britain's most famous faces have stepped back in time to reveal some candid photographs from school days, summer holidays and family life to front a new drive to recruit more foster carers.
Can you guess these 10 famous faces?
1. This time travelling Doctor has previously starred as foul-mouthed spin doctor Malcolm Tucker in the BBC comedy series The Thick of It
2. This English actress found fame in ITV drama Cold Feet
3. This award-winning crime author, who has sold over 20 million books, is best known for his Inspector Rebus novels
4. This actress ended up Absolutely Fabulous and is known for her Gurkha campaign work
5. This star has an eye for talent after appearing alongside David Walliams and Alesha Dixon
6. This star has previously played the Queen during an illustrious acting career
7. This model shot to fame in the 1960s and went on to appear on the cover of Vogue
8. This actress is best known for her role as Tanya Branning in EastEnders
9. This televisison star was crowned the winner of I'm a Celebrity! in 2007
10. This British fashion designer has dressed figures including Princess Diana, Rihanna, Sienna Miller and Jemima Khan