Christina Aguilera Hair
Credit: Christopher Polk/Getty Images; Arlene Richie/JPI

Christina Aguilera showed off her playful side by adding purple highlights to her platinum layers, and unveiled the look at a press event for The Voice in Los Angeles this weekend. Although the violet streaks are temporary, the Crayola color trend has staying power, with stars like Demi Lovato, Jaime King, and Lauren Conrad all trying similar looks recently. Tell us: Do you like Aguilera's new rainbow 'do?

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