CELEBRITY
04/18/2012 10:38 am ET Updated Jun 18, 2012

Kourtney Kardashian Bikini Birthday: Reality Star Turns 33

At the young age of 33, Kourtney Kardashian already has a beautiful son Mason Disick (and another baby on the way), several hit cable TV shows on E!, a fashion line with her sisters and a slew of other successes under her belt.

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