This year the MTV Movie Awards were hosted by Andy Samberg.

Recap of the show (awards in bold)
Breakthrough Performance Female: Ashley Tisdale
Trailer Premiere: “Transformers: Revenge of the Fallen”
Best Fight: Vampire Showdown (Robert Pattinson vs. Cam Gigandet)
Live Performance: Eminem
Breakthrough Performance Male: Robert Pattinson
Best Male Performance: Zac Efron
Trailer Premiere: “Harry Potter and the Half-Blood Prince”
Best Kiss: Kristen Stewart and Robert Pattinson
Live Performance: LeAnn Rimes, Chris Isaak, and Forrest Whittaker
Best WTF Moment: Peeing In The Sink
Best Song From a Movie: Miley Cyrus “The Climb”
Trailer Premiere: “Twlight: New Moon”
Generation Award: Ben Stiller
Best Female Performance: Kristen Stewart (who dropped her award)
Live Performance: The Kings of Leon
Best Comedic Performance: Jim Carrey
Best Villain: Heath Ledger (announced – no presentation)
Best Movie: Twilight

You can read more on the MTV live blog.