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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Ethan Miller/Reuters
Spears dances during a sold-out show at the Mandalay Bay Events Center in Las Vegas as she kicks off the second leg of her "Dream Within a Dream" tour on May 24, 2002.