Dia Dipasupil/Getty ImagesMusic and acting stars Ludacris and Queen Latifah worked together on a film for the first …

Dia Dipasupil/Getty ImagesMusic and acting stars Ludacris and Queen Latifah worked together on a film for the first …
Collaborating with rappers is nothing new to Katy Perry: she’s scored hits with songs featuring Snoop Dogg, Juicy J and…
ROBYN BECK/AFP/Getty ImagesLast week, Chris Brown’s guest verses on DJ Khaled’s “I’m Still” leaked online, in which he seemingly…