 " SMS ( Bangerz ) " is a song by American singer Miley Cyrus featuring Britney Spears for Cyrus ' fourth studio album Bangerz ( 2013 ) . It was written and produced by Mike Will Made It and Marz , with additional songwriting provided by Cyrus and Sean Garrett . The track incorporates elements of hip hop styles , and is lyrically a " banger " . It is a sequel to Spears' 2007 single " Everytime " , which Cyrus covered on her 2011 EP Can't Be Tamed . The song was released to radio as the album's fourth single on November 18, 