Hair colour chameleons! Lily Allen, Sienna Miller, Caroline Flack and more

In need of inspo? Look no further...

Celebrities are a fickle bunch, especially when it comes to their hair. One day it'll be a short choppy bob, the next flowing locks Rapunzel would be jealous of. This lot also like give their head a brand new look by switching up their hair colour. A lot.

Fancy having a bit of a change yourself? Have a look through our gallery of looks before you leap into the hairdresser's chair.

Heat magazine cover