Photo SpecialIt's a Celebrity B-Day Bonanza!
From Paris's Sin City bash to Jennifer's dress-up celebration, see the weekend celebrations that took the cake!
Updated: Tuesday Feb 23, 2010 | 06:00 AM EST By: Karen J. Quan
More from PEOPLE
- How the Pitch Perfect Cast Got Anna Kendrick Hooked on The Bachelor
- Read the Cover Story: At Home with Britney Spears and Her Boys!
- VIDEO: Patrick Stewart Snorts Coke as Out-of-Control News Anchor in New Series Blunt Talk
- Josh Duhamel Shares Sweet Birthday Message to Fergie
- New York Jets Help High Schooler Ask Boy to Prom (VIDEO)