Watch Jason Derulo Perform 'Whatcha Say' On 'It's On With Alexa Chung'

Jason Derulo's infectious debut single, "Whatcha Say," already went to #1 on the Billboard Hot 100, he's sold close to 2 million copies of the track, and he's about to take off on tour with Lady Gaga. Now might be the time when lesser men take a breather. Not Jason Derulo. Watch him absolutely slay his live performance of "Whatcha Say" on MTV's It's On With Alexa Chung yesterday.