A variety of news outlets, including TMZ reported that actress Brittany Murphy died early Sunday morning after going into full cardiac arrest. She was declared dead on arrival after being rushed to Cedars-Sinai Hospital in Los Angeles. A cause of death has not been determined.

Murphy was no stranger to animated television and film. She did a variety of voice acting gigs, including Luanne on KING OF THE HILL. The actress, who starred in 8 MILE, JUST MARRIED, UPTOWN GIRLS, LITTLE BLACK BOOK and others, was 32 years old.