Lonely Island on New 'Wack Album:' Watch Your Back, Rihanna

Comedic rap trio The Lonely Island -- whose T-Pain-assisted track "I'm on a Boat" earned a Grammy nod -- released a third studio album TuesdayThe Wack Album features funny collaborations with Adam Levine, Kendrick Lamar, Pharrell Williams, Solange Knowles, Robyn and Billie Joe Armstrong. "Watch your back, Rihanna," Andy Samberg says in this quirky video interview with Mashable. Samberg cracked the joke when asked whether Billboard's addition of YouTube views to the way it ranks top songs would b...