Reese Witherspoon and Vince Vaughn kissing...for a movie!

Sometimes filming a movie must be a hard thing for actors to do....especially if you are Vince Vaughn kissing Reese Witherspoon!! They are filming a movie together called, Four Christmases, where in the movie, Reese and Vince are both children of divorce and they struggle to equally spread yuletide cheer to all four of their parents.

It looks pretty steamy...but most Christmas movies are!

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