Britney Spears through the years

Published On: Nov 29 2011 03:45:29 PM CST   Updated On: Dec 02 2014 01:00:00 AM CST

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 33 on Tuesday, let's take a look at her career so far.

Britney Spears through years - 2012 Grauman's
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Mario Anzuoni/Reuters

Spears joins fellow "The X Factor" judge Demi Lovato in leaving their signatures in cement at the show's season two premiere at Grauman's Chinese Theatre in Hollywood, Calif., on Sept. 11, 2012.

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