Forbes has a list of the top grossing on-screen couples. Bella/Kristen & Edward/Robert make the top 5.
Rounding out the top five are Robert Pattinson and Kristen Stewart in the Twilight movies. While romance might take a backseat to action in many of the movies on our list, it's the driving force in the Twilight films. It doesn't hurt that Pattinson and Stewart are also a couple in real…