Following the first poster that debuted last week, Relativity Media has unleashed the new trailer for 21 & Over, directed by The Hangover writers Jon Lucas and Scott Moore. Miles Teller, Justin Chon, and Skylar Astin star as three friends who hit the town to celebrate Jeff's (Justin Chon) 21st birthday. Jeff's medical school future may be in jeaporday after this night of debauchery. Check out the first footage from this collegiate comedy.