Lorde performed a surprise gig at a club in California on Friday night as a warm-up for her Sunday performance at Coachella. On Friday, Lorde announced she would perform at Pappy & Harriet in Pioneertown, California, tweeting "$20 tickets because I'm 20 and because I love you. Let's get raucous before Coachella on Sunday night." Tickets sold out in minutes and the place was packed as Lorde performed. She debuted a new song called "Sober.” Check it out!