Brittany's Co-Star: 'It's Incredibly Sad'

12/20/2009 3:34 PM PST BY TMZ STAFF
Carla Gugino -- who was in 2005's "Sin City" with Brittany Murphy -- was at Katsuya last night, where she told TMZ her co-star's death was "incredibly sad."

Carla Gugino: Click to watch
As we previously reported, Murphy died yesterday after going into cardiac arrest. She was 32.