Reese Witherspoon doesn’t mince her words when it comes to her Four Christmases co-star, Vince Vaughn.

According to OK! Magazine, Jake Gyllenhaal‘s maybe-someday-wife is dreading doing the promotional circuit for the holiday-release film. The Walk the Line actress calls the Swingers dude “the biggest child I’ve ever met!”

Well, she definitely has the “big” part right.

A Witherspoon buddy tells the mag, “Reese’ll grit her teeth, fake a smile and pose for pictures—but she’s not looking forward to it.”

On top of everything else, there’s Witherspoon’s dry-cleaning bills to get the smell of Vaughn’s ever-present cigarette smoke out of her clothes.

Reports of tension between the two surfaced while the film was shooting. Apparently the hard feelings haven’t dissipated.

Maybe the pair of highly paid professionals should settle their differences, because they’re not setting a very good example for the nation’s youth.

Oh, wait; never mind…

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Chenoweth is best known on TV for playing Annabeth Schott in The West Wing. She also had her own TV series, Kristin. Her film credits include Bewitched, The Pink Panther, Running With Scissors, Stranger Than Fiction, Four Christmases and RV