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OTRC: Bradley Cooper denies rumor that Charlie Sheen will appear in 'The Hangover 2'

Bradley Cooper appears in a promotional photo for 'The Hangover.' (Warner Bros. Pictures)

Bradley Cooper dispelled the rumor to OnTheRedCarpet.com that Charlie Sheen would make a cameo in "The Hangover Part II" on Thursday, at the premiere of his upcoming thriller, "Limitless."

There have been several rumors about what will go down in the sequel to Todd Phillip's popular comedy, one of them being that Charlie Sheen would make an appearance.

"Oh I haven't heard that one," Cooper told OnTheRedCarpet.com. "Charlie Sheen? Oh God. Well, we already filmed the movie, so I don't know how that would happen. Yeah, no."

The trailer for "The Hangover Part 2" was recently released and shows cast members Bradley Cooper, Ed Helms, Justin Bartha and Zach Galifianakis back in action, this time in Thailand.

In the first R-rated comedy movie, which hit theaters in 2009, hijinks ensued when the four arrived in Las Vegas for a bachelor party ahead of the wedding of Doug, played by Bartha.

In the sequel, which is set for release during Memorial Day weekend on May 26, the four travel to Bangkok for Stu's wedding. Helms plays the character and famously lost a tooth in the first film.

"The Hangover Part II" features cameos by former U.S. President Bill Clinton and actor Liam Neeson. Mike Tyson appeared in the first "Hangover" movie.

Mel Gibson was set to appear in the sequel but his cameo was canceled following a lack of support from several cast and crew members. Gibson has been making headlines in recent months due to an ugly custody battle with ex-girlfriend Oksana Grigorieva and a leaked explicit, sexist and racist rant against her said to have been made by him.

"The Hangover Part II" is scheduled for release on May 26, 2011. Watch the trailer below.

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