The MTV Movie Awards have a long-established history of bringing you sneak peeks of highly anticipated upcoming flicks, and this Sunday's show is no exception. The star-packed show hosted by comedian Aziz Ansari will feature an exclusive, never-before-seen clip from "Harry Potter and the Deathly Hallows: Part 1," the first half of the epic two-part finale in the "Potter" film series, which will hit theaters November 19.

Also at the show, which will air live on Sunday at 9 p.m. ET/PT from the Gibson Amphitheatre in Universal City, California, will be Snoop Dogg, who will drop his verse on Katy Perry's first live performance of her summer anthem "California Gurls."

And that's not all. Joining the roster of presenters handing out the Golden Popcorn awards are Scarlett Johansson, Will Ferrell, Mark Wahlberg, Betty White, T.I., Jessica Alba, Michael Cera, Eva Mendes and Kieran Culkin.

She joins a performance roster that already includes Christina Aguilera, as well as appearances by stars including: Robert Pattinson, Kristen Stewart, Taylor Lautner, the cast of "The Grown Ups" (including Adam Sandler, Kevin James, Chris Rock, David Spade and Rob Schneider), Paul Rudd, Jason Segel, Anna Kendrick, Christopher Mintz-Plasse, Aubrey Plaza, Tom Cruise, Cameron Diaz, Zac Efron, Jonah Hill, Jessica Biel, Bradley Cooper, Steve Carell, Miranda Cosgrove, Shaun White, Vanessa Hudgens, Sean "Diddy" Combs and Russell Brand.

The show will also unveil an exclusive scene from the upcoming "The Twilight Saga: Eclipse," while wolf pack member Chaske Spencer will serve as the official MTV International 2010 MTV Movie Awards guest red-carpet correspondent. He'll help host a special edition of "MTV at the Movies," which will bring audiences outside the United States closer to the biggest names in the industry and the most talked-about moments as part of MTV's global coverage of the 2010 MTV Movie Awards.

Don't miss the live red-carpet coverage, exclusive movie clips and fist-pumping action on MTV News' "Jersey Shore Blow-Out at the MTV Movie Awards," airing live from Los Angeles this Sunday, June 6, at 8 p.m. ET/PT. Then stay tuned for the 2010 MTV Movie Awards at 9 p.m. ET/PT.