To say that Reagan has a strained relationship with her mother is putting it lightly. And yet, even after all these years of marriage, Chris didn't seem to quite get it. So he surprised her by allowing her parents to stop by on the latest 'Up All Night' (Wed., 8PM ET on NBC).
We got a little bit of insight into Reagan's awkward teen years, as her mother's written a psychological book about it. Needless to say, Reagan isn't exactly thrilled to have her most embarrassing years chronicled in a book ... with pictures!