
Curtis married actor Christopher Guest on December 18, 1984, becoming the Lady Haden-Guest when her husband inherited the Barony of Haden-Guest in 1996, upon the death of his father. She originally fell in love when she saw a picture of him from the movie
This Is Spinal Tap in
Rolling Stone saying to her friend Debra Hill "Oh, I'm going to marry that guy", actually marrying him five months later.