Tia Booth is wishing the best for her ex-boyfriend Colton Underwood amid his legal drama with Cassie Randolph — but she also has the Bachelor season 23 winner’s back.“I haven’t heard from Colton,” Booth, 29, told Us Weekly exclusively, noting that the exes last caught up in August after his “Reality Steve” interview. “And then after that is when, you know, everything came out with him and Cassie.