Harry Potter author J.K. Rowling might be a Chamillionaire fan, or at least a fan of his hit single "Ridin." The novelist used a Chamillionaire lyrics to hit back at a troll on Twitter who would not ...

LONDON, ENGLAND - SEPTEMBER 27: Author J.K. Rowling attends photocall ahead of her reading from 'The Casual Vacancy' at the Queen Elizabeth Hall on September 27, 2012 in London, England. (Photo by Ben ...

J.K. Rowling, the creator of Harry Potter and easily one of the most famous living authors, is a Chamillionaire fan. Maybe. At the very least, she’s familiar with his Grammy winning hit “Rollin’.” ...