Charlie Sheen to Make Surprise Appearance at 2012 MTV Movie Awards

Words on the street are, the 'Anger Management' star is expected to join the June 3 festivity to introduce a tribute to party flicks, while Robert Pattinson will miss out all the action.

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As MTV comes closer to a whole new round of its Movie Awards, another big name in Hollywood pops out as a potential presenter. According to E! News, the annual awards show that will be aired live this Sunday, June 3 will see former "Two and a Half Men" star Charlie Sheen making a surprise appearance.

It is said that the 46-year-old actor will do an introduction for a tribute to party flicks as well as for musical guest Wiz Khalifa. One inside source said, "Even though Charlie has cleaned up his act, he still has a sense of humor about his out-of-control days," and another one gushed, "It's all going to be a really big party moment."

MTV has announced its lineup of presenters earlier this May. Among those confirmed are Kristen Stewart, Chris Hemsworth, Charlize Theron, Emma Stone, Andrew Garfield, Michael Fassbender, Mila Kunis and Mark Wahlberg. While Stewart will be on hand at the show, her boyfriend Robert Pattinson reportedly will miss out it altogether.

This year's MTV Movie Awards will air live from the Gibson Amphitheatre in Universal City, California at 9 P.M. ET/PT. Russell Brand has been tapped as its host with The Black Keys and Fun. being set to perform. "The Hunger Games" and "Bridesmaids" lead the nominations with eight each, including Movie of the Year.