There's Something About Mary 1998

Directed by Bobby Farrelly, Peter Farrelly | Starring: Cameron Diaz, Ben Stiller, Matt Dillon, Jeffrey Tambor

For Ted, prom night went about as bad as it’s possible for any night to go. Thirteen years later, he finally gets another chance with his old prom date, only to run up against other suitors including the sleazy detective he hired to find her.