Despite some hiccups along the way, Britney Spears has been a force on the pop scene for more than two decades. With the pop star turning 31 on Dec. 2, let's take a look at her career so far.
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Win McNamee/Reuters
Spears gets a kiss from Madonna as they open the 2003 MTV Video Music Awards at New York's Radio City Music Hall on Aug. 28, 2003.