Emma Stone has been open about everything from the sexism she's faced in Hollywood to the mental health struggles she's overcome. In a recent appearance on "The Late Show with Stephen Colbert," the actress gave viewers a deeper look into her battle with anxiety. During the interview, Stone opened up extensively about experiencing anxiety and going to therapy. "I was a very, very, very anxious child, and I had a lot of panic attacks," the 28-year-old told the late-night host.