She's Type A, and he's old school - no wonder
Reese Witherspoon and
Vince Vaughn didn't get along while filming their holiday comedy,
Four Christmases.
According to a friend, Reese is dreading the movie's promotional tour with Vince, whom she describes as "the biggest child I've ever met!"
"Promoting a movie involves long hours, and she'll have to spend a lot of time with someone who gets under her skin!