Back in the day, Victoria looked quite the WAG with her white bob, leopard print dress and pink bra on show before transforming herself (along with her hair!) into a well-respected business woman.
Pop princess Beyoncé used to wear her hair sleek and silky on the red carpet but in recent months she has opted for a more wild, blonde 'do'.
Cameron didn't let her darker hair colour wash out her skin tone, although before long she restored her blonde, wavy hair.
Cheryl's hair makeover, which she unveiled on the evening of her birthday party, was created by L'Orèal colourist Amie Wilson. It was a huge transformation from her long, chestnut hair.
Actress and red carpet regular Emma Stone often experiments with hair colour, including this auburn look and a more casual blonde up-do.
Gwyneth dabbled with dark hair for a while before realising that her natural blonde was far more flattering.
Mum-to-be Jessica Alba changed her hair colour and matched her tan to it with great results.
The actress tried to go incognito when she dyed her normally blonde hair to dark brown and donned oversized sunglasses and a straw hat.
Supermodel and style chameleon Agyness dyed her boyish crop from darkest of browns to peroxide white.
