The Clooneys, Gwyneth & Reese! See the Stars at Jennifer Aniston's 50th Birthday Bash

Jennifer Aniston celebrated her 50th birthday on Saturday with a star-studded bash at the Sunset Tower Hotel in Los Angeles. Among the many famous faces in attendance was her ex-husband Brad Pitt. Here's a look at some of the other A-listers who attended the celebration in honor of Aniston's milestone birthday.