Renee Zellweger through the years

POSTED: 6:32 AM Jan 18 2012   UPDATED: 2:00 AM Apr 25 2013
Renee Zellweger at 2012 MMOA benefit

Oscar-winner Renee Zellweger, who celebrates her 44th birthday on April 25, has become one of Hollywood's mainstays over the years. Let's take a look back at her career so far.