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Tom Cruise and Cameron Diaz are the first presenters announced for the 2010 MTV Movie Awards, which will air live on June 6at 9PM EST. The Knight and Day costars will be joined by Zac Efron, Jessica Biel, Russell Brand, Bradley Cooper, Jonah Hill, Steve Carell, Miranda Cosgrove, Shaun White, Vanessa Hudgens and Diddy.

Christina Aguilera is set to perform her new single "Not Myself Tonight," and even more performers and presenters will be announced in the days and weeks to come.

MTV has also announced three new categories in this year's awards show: Biggest Bad-Ass Star; Best Scared-As-Sh*t Performance and Global Superstar. We'll be watching!