Adele made a rare public appearance as she watched Justin Bieber at Coachella. Swapping her spot on the big stage for a spot in the crowd, the Rolling in the Deep singer, 37 and her son Angelo, 13, took in the hitmaker's main stage headline gig. She cut a low-key figure at the festival, walking around in a black suit. Ready for the action, she opted for ballet flats and accessorised with gold earrings. It looked like it was a mother-son date at the event on Saturday with Adele's sports agent