TMZ is reporting that actress Brittany Murphy, 32, died early this morning after going into full cardiac arrest. The actual cause of death has not yet been reported. Murphy starred in such films as Clueless and 8 Mile. [TMZ] UPDATE: Former beau Ashton Kutcher has responded to the news on his Twitter: "2day the world lost a little piece of sunshine. My deepest condolences go out 2 Brittany’s family, her husband, & her amazing mother Sharon."