OMG! It’s a "Twlight" fan's dream come true.

Robert Pattinson, Kristen Stewart and Taylor Lautner will present an exclusive scene from “The Twilight Saga: New Moon” at the “2009 MTV Movie Awards” on May 31, hosted by Adam Samberg.

Did we mention that the clip is never before revealed footage of "New Moon"?

Double OMG.

Other movie megastars appearing that night will include Sandra Bullock, Dwayne Johnson, Sienna Miller, Channing Tatum, Bradley Cooper, Abigail Breslin, Thomas Lennon, Danny McBride and Sofia Vassilieva.

They join previously revealed presenters Denzel Washington, Cameron Diaz, Ryan Reynolds, Will Ferrell, Vanessa Hudgens, Leighton Meester, Jonah Hill and Lil Wayne.

No offense, guys. But can we just repeat, Robert Pattinson!

More Rob Pattinson Dish:

Robert Pattinson's B-day bash invaded by fans. Thanks, Twitter!

David Slade apologizes to 'Twilight' fans for Twitter/Twilight insults

'Little Ashes' director talks about Robert Pattinson's gay sex scenes.

ET's videos with Rob Pattinson, Taylor Lautner on set of 'New Moon'!

Meet the Wolfpack!

Photo: From left, Robert Pattinson, Cam Gigandet, Taylor Lautner and Kristen Stewart at the MTV Video Music Awards on Sept. 7, 2008. Credit: WireImage

Posted by:Elizabeth Snead