Hollywood Hot Heads
Robert Downey Jr.
Downey's career started as a cast member of "Saturday Night Live" at the age of 20 and led him down a tumultuous road. The former "Brat Pack" member has had a laundry list of crimes on his record including a drunken driving charge, heroine and gun possessions, multiple stints at rehabilitation clinics and even a fight with a fellow inmate at a Los Angeles jail. Throughout his tumultous personal highs and lows, Downey's managed to stay on the screen and will star in the upcoming movie "Sherlock Holmes."(Nick Ut/AP Photo)