U.S. reality Tv star Kailyn Lowry is a mum again - the Teen Mom 2 regular and her husband, U.S. airman Javi Marroquin, welcomed Lincoln Marshall Marroquin to the world on Saturday (16Nov13). The baby boy is the couple's first child, but 21-year-old Lowry has a three-year-old son from a previous relationship. The new parents wed in September, 2012.