In this exclusive clip from '90 Day Fianc: The Other Way's season 3 tell-all special, Steven's ex-girlfriend, Vanessa, exposes his alleged unfaithful behavior and warns Alina that he isn't going to change. '90 Day Fianc: The Other Way's season 3 tell-all special premieres this Sunday, Dec. 5, at 8 p.m. ETPT on TLC.