Carly Rae Jepsen delights crowd while performing on NBC's "Today" show. Plus, gold-medalist Gabby Douglas gives baseball a whirl; Ashley Greene wears a stunner to "The Apparition" premiere; Kirsten Dunst is the toast of the "Bachelorette" premiere; and stars from Cybill Shepherd to Kristin Davis gather for the Gore Vidal Public Celebration.