From the New York Daily News:

Movie star Brittany Murphy is dead of a heart attack at 32. She went into full cardiac arrest early Sunday and could not be revived, the Website TMZ reported. The Los Angeles City Fire Department got a call from the home of Murphy's husband Simon Monjack about 8 a.m., fire officials told TMZ. She was taken to Cedars-Sinai Medical Center, where she was pronounced dead on arrival Murphy starred in "8 Mile," and "Don't Say a Word." The starlet became a household name among teens in 1995 as the sidekick in "Clueless," who went from awkward wall flower to snotty hottie.

Murphy ruled in Clueless. (And Drop Dead Gorgeous—go to 1:20 of the clip for Murphy-related delights.) This is awfully sad.

(Still, I can't deny I worried about how her transformation from this to this might one day add up to cardiac arrest. RIP Brittany Murphy.)