Sometimes it's obvious why a winner takes home the trophy and sometimes it's really not.

Marisa Tomei's 1993 Best Supporting Actress win for "My Cousin Vinny" just might be one of the most talked about take overs in the award's history. 

Click here for more: http://movies.msn.com/academy-awards/most-head-scratching-academy-award-wins/photo-gallery/feature/