Watch Mark Ronson & Miley Cyrus Cover Ariana Grande's "No Tears Left To Cry"

Is it a bad idea to cover an Ariana Grande song? Probably yes, right? Ariana Grande is the moment's dominant pop star, and she's got a lot of great songs, songs that you might find yourself singing tunelessly at red lights or whatever. But she's also got a feather-light, effortlessly showy voice, the kind of…