Actress and Hilary Duff's big sister, Hayley, is a bit of a colour chameleon...


...when it comes to her hair! She was a brunette when she celebrated her 24th birthday back in February, but now she's gone back to blonde.

Which colour does Haylie suit best - brunette or blonde hair?

Take a look:

Brunette

Blonde

So, Haylie's beauty battle - does she suit her hair brown or blonde the best? Let us know below!

- Click here for more celebrity beauty battles! -