There's been a flurry of news concerning the 2010 MTV Movies Awards today. Here's the gist: if you're a world-famous superstar.

You're probably going to be presenting one award or another when the show airs on June 6. Let's review: First we learned that "Knight and Day"

Stars Tom Cruise and Cameron Diaz will present, as will "Get Him To The Greek" star Diddy. Later we learned that Diddy's fellow "Greek" stars Jonah Hill and Russell Brand will also present.

Along with five-time MTV Movie Awards winner Steve Carell. As if that lineup isn't enough. It was also revealed that young Hollywood heartthrobs Zac Efron, Vanessa Hudgens and Miranda Cosgrove have joined.

The ranks of Movie Awards presenters. Lastly, as a special treat to our music-lovers out there, Christina Aguilera will perform.

"Not Myself Tonight," off of her new LP, "Bionic." You can see her below performing at the 2006 MTV Movie Awards.