Summit Entertainment has released an extended clip and a worldwide flash mob music video for Step Up: Revolution, director Scott Speer's dance sequel that moves the action to sizzling Miami Beach. This three-minute scene features a huge flash mob invading a corporate office, set to the Timbaland song "Hands in the Air." The music video is also set to the artist's new track, featured on the soundtrack, and includes over 300 dancers from 25 countries showing what they can do on the dance floor. Check out all the moves in these latest videos.