0Celeb Drug AddictionsCharlie Sheen is heading back to rehab and Two and a Half Men is halting production. From Belushi to Monroe, see other celebrities who held up their TV and film projects because of addiction.Updated Jul. 13, 2017 12:32PM EDT / Published Jan. 29, 2011 4:33PM EST AP Photo John Belushi AP Photo Richard BurtonAP Photo Montgomery Clift AP Photo Robert Downey, Jr. AP Photo Chris Farley AP Photo Judy Garland AP Photo Lindsay Lohan Getty Images Demi Lovato AP Photo Marilyn Monroe AP Photo Mackenzie Phillips AP Photo Oliver Reed Getty Images Martin Sheen Everett Collection Lauren TewesABC via Getty Images
John Belushi AP Photo Richard BurtonAP Photo Montgomery Clift AP Photo Robert Downey, Jr. AP Photo Chris Farley AP Photo Judy Garland AP Photo Lindsay Lohan Getty Images Demi Lovato AP Photo Marilyn Monroe AP Photo Mackenzie Phillips AP Photo Oliver Reed Getty Images Martin Sheen Everett Collection Lauren TewesABC via Getty Images