To Kiss or Not to Kiss... Mary-Kate has a great new hobby—acting She's got the starring role in the next school play. And she's thrilled to find out that her leading man will be Ross Lambert—a supersweet guy who just happens to be Ashley's big-time crush Ashley is excited for her sister—until she finds out that Mary-Kate has to kiss Ross onstage There's no way that's going to happen. Not if Ashley can help it