paul ( jason lee ) be an underachiever who just happen to be engage to a type a princess name karen ( selma blair ) . she choose his clothes and his daily schedule . at his bachelor party and paul get a little too drunk and somehow end up take a pretty dancer name becky ( julia stile ) back to his dig . nothing happen and a they say and but the duo do wake up in the same bed . suddenly karen telephone . she on her way to paul apartment . understandably and paul hustle becky out of the place and although her underpants be leave behind . but and there be even more fun ahead . at a family dinner at karen parent home and paul run smack into becky again and learn that she be karen cousin . talk about some explaining to do . but and instead and paul chooses to feign a stomach problem and hide out in the bathroom . will karen ever find out that becky spend the night at paul place . and and what will be the consequence . i be sorry for critic who pan movie like this . they should definitely lighten up and for this film be fresh and fun . of course and it doesn not hurt matter that lee be a consummate funny man and stile be a charming beauty or that blair be a natural a a pretty but anal fiancée . the rest of the cast and include james brolin and julie haggerty and be also quite nice . the look of the film be wonderful and a be the costume and california setting . best of all and the script be imaginative and inspired and create big laugh for the audience . in short and if you want to tickle the proverbial funnybones and get this movie tonight . it may not be academy award material but it be absolutely guarantee to turn a bad day into a darn good one .