9. Lana Del Rey feat. the Weeknd, "Lust for Life"
Del Rey's Cali-goth empire stretches out past the Hollywood sign and deep into the desert of the soul on this darkly lustrous duet with fellow sad-eyed beauty the Weeknd. "We're having too much fun," she sings, savoring every second as slow-dissolve girl-group-boom-bap pulls them under.