From "Dirrty" to diva, the singer has proven herself to be quite the chameleon over the years. Here, a look back at her hair and makeup choices. Don't miss our exclusive interview and cover story with Christina!
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With her infectious single "Genie in a Bottle," Christina burst onto the scene in a big way looking every bit the pop princess—bleach blonde hair and all.
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Trying to shake that sugary-sweet image, "Xtina" toughened up her look a bit with some colorful highlights, crimps, and loads of kohl eyeliner.
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The singer switched up her style at the 2001 Grammy awards—that nose stud is new, as well as her head full of multi-colored cornrows!
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Holy 'fro! This eye-catching "Lady Marmalade" look made its debut at the 7th Annual Blockbuster Entertainment Awards in Los Angeles.
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At the 2001 MTV Movie Awards, Christina took her edgy new look up another notch, complete with crazy curls, a vampy dark lip, and glitter eyeshadow aplenty.
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These Marilyn Monroe-inspired curls Christina flaunted at the 2002 Grammy Awards were a much more mature look for the songstress.
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The "Dirrty" days are upon us—Miss Aguilera sported black streaks and ultra-thin eyebrows at the 2002 MTV Video Music Awards.
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This jet-black 'do was quite a departure for Christina, but we're digging her slicked-back ponytail!
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The singer held on to the raven locks for a '20s-inspired updo at the 2004 Grammy Awards. How glam!
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And back to blonde we go—these short platinum curls introduced the world to a more demure Christina.
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The pop princess was the very picture of a blonde Hollywood bombshell at the 2006 Grammy Awards. How perfect is her red lip?
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This gorgeous look could be right out of The Great Gatsby, don't you think? With a bordeaux lip and super long lashes, Christina simply glowed at 2006 MTV Video Music Awards.
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The songstress brought back the '50s-inspired glamour with these voluminous curls at the 2007 Grammy Awards.
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The sleek bangs and statement makeup were a completely new look for Christina when she stepped out at the 2008 MTV Video Music Awards.
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This sharp bob and severe eye makeup are so '80s — in the best way possible.
Jason Merritt/Getty Images
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We love the modified pompadour Christina rocked at the 2010 MTV Movie Awards.
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Back to basics! As one of the hosts of NBC's "The Voice," Christina has been sporting a more natural beauty look these days, with loose waves and a subtle cat-eye.
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