London: Singer Adele burped while getting a selfie clicked with a fan onstage during her performance at the Glastonbury Festival. In a video taken during the funny moment, the two were standing side by side when Adele shouted, "Oh my God, I just burped", reports aceshowbiz.com. She burst into laughter before giving the fan named Maria a big hug and telling her, "I will see you later Maria". The 28-year-old then defended herself, blaming the burp on a "dirty burger" she ate before performing. "I had a dirty burger before I came on, that's why," Adele quipped.