Victoria's Secret Angel Alessandra Ambrosio is recovering at a hospital in Los Angeles following a 'medical procedure' for 'constant headaches', Daily Mail Online can reveal. The Brazilian supermodel – seen partying at the Coachella festival in California on Sunday - underwent the procedure on Tuesday. She is currently being monitored at UCLA Hospital in Westwood, Los Angeles. SCROLL DOWN FOR VIDEO Emergency: Alessandra  Ambrosio was treated at the Ronald Reagan center of UCLA hospital in Los Angeles. She had seemed in perfect health at the Coachella festival in California on Sunday but was suffering 'constant headaches' Expertise: The Ronald Reagan UCLA Medical Center is renowned for its high-quality careBrazilian Victoria's Secret Angel underwent medical procedure and is still recovering in hospitalShe had been suffering 'constant headaches' and had booked appointment two weeks ago, Daily Mail Online told by a friendMother-of-two had appeared well as she spent time at Coachella festival with celebrity friends including Kylie Jenner and Gigi HadidProcedure at UCLA's Ronald Reagan Medical Center was successful and aides said she is 'fine'Ambrosio, 34, had posted on Instagram yesterday about how much she was enjoying Coachella saying: 'What a wonderful world.'
Festival goer _, 17, was one of the celebrities also partying at Coachella.