By InStyle Staff
Updated May 16, 2012 @ 5:15 pm
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Credit: Steve Granitz/WireImage; RD/Orchon/Retna Digital; Dave J Hogan/Getty; Kyle Rover/startraksphoto.com

Summer's around the corner, and it's a perfect time to switch up your hair color. And the celebrities know it! These six stars underwent amazing hair transformations this year, and we want to know which hues you loved most. Vote for your top picks in the poll below.

Update: This poll is now closed.

Credit: RD/Orchon/Retna Digital; Steve Granitz/WireImage; Gregg DeGuire/PictureGroup
Credit: Jon Kopaloff/FilmMagic; Charles Eshelman/FilmMagic; Jeff Kravitz/FilmMagic
Credit: Munawar Hosain/Fotos International/Getty; Peter Brooker/Rex USA; CelebrityPhoto.com
Credit: Jun Sato/WireImage; Dave J Hogan/Getty; Kyle Rover/startraksphoto.com
Credit: CelebrityPhoto.com; Jon Kopaloff/FilmMagic; Alberto E. Rodriguez/WireImage
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