The Love Guru and Get Smart, both of which open today, aren't just comedies that make us laugh for various scenes and one-liners.

The mismatched pairing of main characters - characters played by Jessica Alba and Mike Myers in the former; Anne Hathaway and Steve Carell in the latter - is also good for a chuckle.

With that in mind, the Movie Fanatic staff wondered about the three most unexpected couples in cinematic history. A trio of contenders follows...

American Pie: Jim and Nadia.

There's Something About Mary: Ted and Mary.

Knocked Up: Ben and Alison.