Actress Brittany Murphy died of cardiac arrest Sunday morning (December 20) in Los Angeles, California. She was 32. Though the cause of death is believed to be natural, Murphy's family has requested an autopsy to be performed this week.

Murphy began her career in TV sitcoms before breaking out alongside Alicia Silverstone in the hit 1995 comedy as the lovable and hilarious Ty in "Clueless."

She went on to star in films such as "Girl, Interrupted," "Drop Dead Gorgeous," "8 Mile," "Sin City," "Just Married," "Uptown Girls," "Don't Say a Word" and "Happy Feet." She also voiced Luanne on all 13 seasons of the hit animated series "King of the Hill."