With the world's best hairstylists on speed dial, wouldn't you experiment with your hair too? Whether it's for a film role (we see you Kristen Stewart, Shailene Woodley, Jennifer Aniston) or just for fun the A-list are not shy of big hair transformations.
From Naomi Campbell's afro to Katy Perry's 'slime green' hair - see this year's biggest new hairstyles... so far.More
You would be forgiven for thinking if you had hair like Rosie Huntington-Whiteley you'd never cut it...
But, luckily for us, RHW is more adventurous with her famous blonde locks. Rosie posted on Instagram 'Ready for 2015 equipped with a fresh new do! Thank you to my favourite brother sister hair duo... @georgenorthwood @sallynorthwood.'