Rappers Snoop Dogg and Wiz Khalifa have teamed up with Bruno Mars for a new song titled "Young, Wild & Free," which debuts Monday.  Listen to the track below.  The song is the first single from the soundtrack for an upcoming movie titled "Mac and Devin Go To High School," which will star Snoop and Khalifa, and is expected to debut in theaters early next year.  The two rappers play a pair of high school kids, Khalifa as Devin the nerd and Snoop as Mac the cool guy, who become friends.  Khalifa said in a recent interview that he and Snoop have written ten songs which will all be included on the film's soundtrack.