Kreayshawn: "Go Hard"

 The rapper behind the viral earworm "Gucci Gucci" proves a bratty, insult-slinging MC can turn into a trash-pop princess, given a jittery enough dance beat and a little de-snarking. There's a familiar storyline – lifting stepdad's plastic, doing doughnuts in the parking lot – but the raft of earnest la-la-las speaks to her liberation.

Listen to "Go Hard":