RadarOnlineToo Much Pressure? Leah Messer Quits 'Teen Mom 2' Amid Divorce RumorsRadarOnlineLate last night, the 22-year-old mother of three tweeted a fan that she would not be returning to the MTV series that made her a celebrity. “Are you doing season 6?” the follower asked. “No,” Messer simply stated. PHOTOS: Betrayal!