Bruno Mars Launches His Bluesy “Grenade” On ‘David Letterman’

Bruno Mars Launches His Bluesy “Grenade” On ‘David Letterman’

Idolator’s bowling buddy Bruno Mars hit up the Late Show With David Letterman last night and left a piece of his heart on the stage after turning out an emotional, bluesy rendition of his new single “Grenade.” It was a Grade A performance from the hitmaking singer-songwriter, that found him backed by an all-female string section. Watch Bruno’s heart-tugging stint on Letterman below!

Mars kicks off his Doo-Wops & Hooligans Tour on Tuesday, November 16 in San Francisco. He’ll also scheduled to perform at The Grammy Nominations Concert Live, which airs December 1 on CBS.