After partying in Sundance during the film festival, Kirsten Dunst has decided to check herself into the Cirque Lodge, the same Utah rehab facility that Lindsay Lohan spent several months and is the current home to Eva Mendes.

"She desperately needed help," a source in Utah tells Star. "She seemed to be intoxicated when she checked in because she was acting really erratic. She was extremely emotional, constantly breaking down in tears. "She not in a good place right now, but thankfully, she's getting the help she needs."

Maybe this explains why Kirsten looks like she woke up in a gutter all the time, because she quite possible did. Star Exclusive: Kirsten Dunst In Rehab!