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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Mark Wallheiser/Reuters
Spears speaks with a fan before the running of the Pepsi 400 NASCAR race on July 7, 2001, at the Daytona International Speedway in Florida.