CELEBRITY
09/18/2012 08:55 am ET Updated Nov 18, 2012

Christina Aguilera, Heidi Klum, Avril Lavigne: Celebs Sporting Pink Streaks (PHOTOS)

Pink hair has gone from punk rock to mainstream with a slew of celebs rocking the look. Christina Aguilera, for one, debuted her dip-dyed locks at the 2012 Alma Awards on Sunday, Sept. 16.

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