Icona Pop Feat. Charli XCX, ''I Love It'' The episode:
''Bad Friend'' (203) The hook:
Amid a pretty grim season (Q-tip!), the coke-fueled dance trance that overtook Hannah (Lena Dunham) and Elijah (Andrew Rannells) on Jan. 27 was a glorious bright spot. After rocking out with their nips out to Eve's 2007 joint ''Tambourine,'' the roomies gyrated and sang their hearts out to Swedish duo's electroscreamer with that gloriously stratospheric build-up. We love it! Read Lindsay Bahr's recaps Listen to the Spotify playlist!