Over at our sister site Moviefone, they have a piece up counting down Hollywood's 25 hottest on-set hookups. From Bogey and Bacall to Madonna and Warren Beatty, from Brad and Angie to Jennifer Aniston and Vince Vaughn, those Hollywood stars just can't seem to keep their movie romances confined to the screen. We thought it might be fun to pit some of these on-set romances against each other, in sort of a celebrity hook-up showdown. Sound off and let us know which of each pair of hook-ups you think is hottest:

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Which Hollywood hookups from Moviefone's list do you think were smolderingly hot? Which leave you cold? And whose hookups did they overlook?
categories Cinematical