Biggest Celebrity Hair Makeovers of 2011
Credit: George Pimentel/WireImage.com; Charles Eshelman/FilmMagic; Steve Granitz/WireImage.com
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Katy Perry
The singer gets an 'A' for the most hair changes in 2011. From red to blonde to lavender and pink, the superstar has proven that she definitely doesn't like to keep the same locks for long.