Watch previews for Iron Man 2 & Eclipse and vote for your favorite!
Kristen Stewart, 20, and Scarlett Johansson, 25, are starring in two of the biggest movies to hit theaters this summer! K-Stew will be steaming up the screen with Robert Pattinson, 23, in The Twilight Saga: Eclipse, and Scarlett will be kicking butt alongside Robert Downey Jr., 45, in Iron Man 2! Both are going to be amazing, but which one are you more excited to see? Watch the trailers for each movie below and vote for your favorite!