With the summer movie season right around the corner, our excitement for multiple trips to the theater is building with each passing day. And with the blockbuster season comes another equally thrilling cinematic event: the 2012 MTV Movie Awards on June 3!

In addition to Tuesday's (April 25) announcement of the 12 nomination categories -- including new additions Best Music, Best On-Screen Transformation, Best Gut-Wrenching Performance, Best Cast and Best On-Screen Dirtbag -- we are thrilled to announce that chart-topping indie-pop group fun. will rock the Movie Awards stage with a performance toasting the greatest party films of all time. [article id="1681270"]"We are Young,"[/article] from their latest album, Some Nights, has been holding strong at the #1 spot on the Billboard Hot 100 for the past six weeks.

"The Movie Awards are all about celebrating the most popular films and performances from the past year that people actually went to see," said Stephen Friedman, president of MTV. "Moreover, we're thrilled to have Fun., whose instant anthem 'We Are Young' has lived at the top of the charts the past six weeks, and their performance showcases one of the biggest changes in this year's broadcast -- a true melding of the worlds of movies and music -- with a tribute to the greatest party films of all time."

Once again, MTV fans will hold the "Power of the Popcorn" in their hands. This year's brand-new Best Music category will allow fans to vote for a specific movie moment when the perfect song played during the perfect scene.

The 21st annual MTV Movie Awards air live Sunday, June 3, at 9 p.m. ET/PT from the Gibson Amphitheatre in Universal City, California.