Britney Spears's career has been a wild ride. The pop princess started off sweet, then sexy, then troubled, and then made an epic comeback. Oh, and there was the K. Fed phase, as well. In celebration of her Vegas residency, her new album, and her two-hour E! documentary, we're giving you all the Britney goods from the past two decades. Don't call it a comeback, she's been here for years.

...Baby One More Time, 1999
VMAs, 1999
(You Drive Me) Crazy, 1999
VMAs, 2000
Oops! I Did It Again, 2000
I'm Not A Girl, Not Yet A Woman, 2001
Toxic, 2003
VMAs, 2003
Billboard Music Awards, 2011

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