09/25/2011 12:27 pm ET | Updated Nov 25, 2011

Nicole Richie Celebrates Birthday In A Bikini With Samantha Ronson (PHOTOS)

Nicole Richie sure knows how to turn her birthday into a week of good times.

Richie, who just this past Wednesday celebrated turning 30 years old, apparently had more in store than just her party in Los Angeles that was a star-studded affair.

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