Though it doesn't work as entertainment, this numbingly chipper rom-com (directed by Dermot Mulroney) might be of historical value someday as an A-to-Z guide to the genre's most overworked clichés. Mandy Moore smirks and pouts and pratfalls as a marriage counselor trying to referee a fight between her parents (Jane Seymour and James Brolin). But can she hang on to her own doting husband (shirt-phobic Twilight hunk Kellan Lutz)? Spare yourself the answer. (Also available on demand) D

