Did this woman get back together with David Harbour?! As we've been following, the Stranger Things star was wrapped up in controversy when he and Lily Allen called it quits late last year, officially announcing the split early this year. Why? Because he allegedly cheated on her with a costume designer named Natalie Tippett during their marriage! It's been a long, nasty breakup so far... With Lily even releasing the song Madeline talking about the situation.