Video Sneak Peek: Bruno Mars, 'Grenade'

A lot of people might wonder just where the heck this Bruno Mars guy came from. It seems like one day he was a tiny Elvis, and the next he was cranking out hit songs; penning hits for Cee-Lo, B.o.B and Travie McCoy; and recording his own hit album, Doo-Wops & Hooligans.

After checking out this sneak preview of Bruno's new video for his single "Grenade," I think we might be seeing the secret of his success: hard work!

Sorry to sound like your gym teacher, but it's true! And just look at Bruno, singing in rather stunning Michael Jackson falsetto and pulling a piano up a hill in the hot California sun. That's just elbow grease right there.

Watch a sneak peek of Bruno Mars' "Grenade" video below, and don't miss the premiere of the video on Friday, Nov. 19, on MTV and