Los Angeles alt-rock innovators Jane’s Addiction played a wild, hedonistic set at Manhattan’s Terminal 5 at the end of December, brining the year to a close with big songs, bright lights and some questionable fashion choices. As you can tell from the photos, shirts were optional. Luckily our photographer Erik Haslett was there to catch all the head-banging, hip-thrusting action. Check out the full gallery, below.