Celebrities who have been to rehab

45 of 46: Kelly Osbourne, 26, checked herself into rehab at the Promises treatment facility in Malibu in April 2004, seeking treatment for prescription drug abuse. In June 2005, she checked herself into Las Encinas Hospital in Pasadena after a relapse. In January 2009, the reality star sought treatment for the last time for her painkiller addiction and hasn't returned since. ( Photo / MySpace)