Miley Cyrus recently dyed her dark tresses peroxide blonde.
But she's not the only celeb to reach for the bottle – plenty have experimented with their brunette locks by taking them more than a few shades lighter.
And after trying out the new look, many stars make the switch back to their natural hair colour.
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Jessica Alba, for example, tried blonde out for several weeks before deciding it wasn't for her and reverting back to her roots.
We've compiled a gallery of celebs who have experimented with their shade – take a look and decide which hues suit who.