Photo SpecialGood Girls Gone Bad
Miley Cyrus isn't the first pop star to show her naughty side – check out how Britney, Christina, Rihanna and more stars went from PG to R-rated
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AVRIL LAVIGNE
The pop-punker loved sk8er bois and never wore dresses. That was 2002. These days, she's still not wearing many dresses – and sometimes hardly anything at all – as shown on this 2008 Maxim cover.
