NEW MUSIC: MACHINE GUN KELLY X ESTER DEAN 'INVINCIBLE'

Machine Gun Kelly fresh from 106 & Park And the Funk Flex studios, teams up with industry go to girl [for a hit], Ester Dean. Ester has written songs for everyone from Katy Perry to Rihanna to Trey Songz. Here she drops her vocals for the new single by MGK 'Invincible' Take a listen.