Listen to Rihanna's new single 'Only Girl (In the World)'

rihanna-only-girl-in-the-world.jpg Rihanna's new album, "Loud," comes out Nov 2 -- less than a year after the release of "Rated R" -- and she's already busy promoting the first single. "Only Girl (In the World)" made its debut on Ryan Seacrest's radio program on Sept 7, and you can listen to it right now on Zap2it