April 22, 2019 8:18 am Surprise: Bieber Joins Ariana Grande Onstage At Coachella 2019 He’s back! Justin Bieber took the stage for the first time in two years when he made a surprise appearance during Ariana Grande’s second headlining set at Coachella 2019. US & World Videos 3:27 May Day demonstrations planned, Gaza war protests continue across Bay Area 1:45 NYPD enters Columbia University in riot gear to clear protest 4:28 ‘Apples Never Fall' and ‘Jurassic Park' star Sam Neill reveals his real name 3:21 Katy Perry's surprising regret about cheeseburger Met Gala look 1:01 Biden administration plans to reclassify marijuana as a Schedule III drug