Glastonbury Festival has their headliner and Adele doesn't care if people think she doesn't have what it takes for the gig. Adele announced the headliner news onstage at her concert in London's O2 Arena earlier tonight. Adele stated, "I wanted to do it last year but my record wasn't ready. And to the people who say I am too boring to headline, you're more (expletive) boring for moaning about me headlining.