Leah Messer may finally be ready to live her life without a man. Leah Messer and her boyfriend, T. R. Dues, may have actually split this time around. 'Teen Mom 2' Corey Simms & Leah Messer Battle For Custody In Season Seven Trailer Following an allegedly staged breakup in January, ahead of her custody battle with Corey Simms, the Teen Mom 2 star announced on Twitter that she was loving life as a single mom, and judging by her Instagram feed, that may be the case.