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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Gary Hershorn/Reuters
U2's Bono kisses the hand of presenter Britney Spears as he accepts the Grammy Award for Best Pop Performance by a Duo or Group at the 44th Annual Grammy Awards on Feb. 27, 2002.