was? ah, the screaming fans waiting for pop star justin bieber as he left his hotel in miami last night. the biebs was rushed to a waiting private jet before leaving his wild week in florida behind him. >> well, police were probably more than happy to, of course, see bieber go. >> you think? >> yeah. >> we do have closed circuit video that we want to show you. the joyride that caught officers' attention in miami beach as investigators say he was street racing in a yellow lamborghini. >> tests show the alcohol level was below the legal limit but he's on prescription drugs and medication. >> so his blunder is a big worry to people in charge of his multimillion-dollar business empire you can imagine. cnn's alexandra field takes a look at what's at stake. ♪ >> reporter: we can all remember one time when justin bieber was