13. Flo Rida
Résumé Includes: "Low," "Right Round," "Turn Around (5,4,3,2,1)"
As far as rap street cred goes, Flo Rida gets next to none. Still, that never affected his cash flow as the Hangover movie franchised featured his cuts in the ending sequence off the first two films. That's big product placement in case you didn't know so.