In the last week Britney Spears and Jennifer Lawrence have undergone a hair transformation, dying their locks from blonde to brunette.
Britney showed off her new darker do at an Elton John Aids foundation Oscars party, while the day after winning Best Actress at the Oscars J-Law swapped her beachy blonde waves for sleek brown hair.
Which got us thinking, plenty of our favourite celebrity ladies have experimented with their hair colour over the years – but which suits them best...?
Do blondes have more fun, or does slinky and sexy brunette look best? From pop stars like Lily Allen, Rihanna and Alexandra Burke to Hollywood A-list ladies like Cameron Diaz, Jessica Biel and Rachel McAdams we’ve put together a gallery to compare and contrast as we ask; Blonde v Brunette which looks best?
And of course there are a few ladies who can pull off both.