Billboard cover star singer/songwriter T-Pain shares the stories behind some of his biggest hits "Buy U a Drank," "Bartender," "I'm Sprung," "I'm N Luv (Wit a Stripper)," to his most iconic features with Kanye West ("Good Life"), Flo Rida ("Low"), DJ Khaled ("All I Do Is Win"), Chris Brown ("Kiss Kiss"), Lil Wayne ("Got Money").