We guess she was really invested in her character! Or maybe she just started taking whatever magic Xenu pills our gurl Tom Cruise is on that make him so
effing batshit crazy hyper!
Check out this clip of Cameron Diaz attempting to promote her new flick, Knight & Day, on The Daily Show With Jon Stewart, but actually just coming off as completely out of her mind as she flubs up her character's name in the film and then admits she actually hasn't seen it!
Yeah, the movie's that bad, huh, bb? We thought so!