Leslie Tanner is Lauren Tanner's biological mother and Steve Tanner's ex-wife. Leslie was a druggie and abandoned Lauren two times. Although she did try to visit Lauren every year, Steve wouldn't allow it and threatened that if she saw Lauren without his permission, he would have her arrested. Steve then kept her away from Nationals making Lauren believe her mother didn't love her. Leslie afterwards died in Season 2 in a car accident. Lauren learns that Steve kept her own mother from her and leaves him for a while.