VIDEO : Ryan Reynolds Coaches Up Wifey, Blake Lively On Acting

When Blake Lively took the role in the horror film, "The Shallows", her husband Ryan Reynolds warned her that it would be a rough ride. Lively stars as a woman who is trapped on a rock in the ocean as sharks circle her and she is in every single frame of the film. Reynolds was in a similarly taxing film called Buried in 2010. Reynolds told the Mrs., ""This is going to be an athletic event. Prepare yourself. It will beat you up emotionally, it will be rewarding.