The former 'Two and a Half Men' actor will reportedly introduce a tribute to party films and will announce musical act Wiz Khalifa, who was recently arrested for marijuana possession, reported Femalefirst.
"Even though Charlie has cleaned up his act, he still has a sense of humor about his out-of-control days. It's all going to be a really big party moment," a source said.
"Twilight" star Kristen Stewart will also present a section with her "Snow White and the Huntsman" co-star Chris Hemsworth.
Funnyman Russell Brand will host the award show
