Lady Gaga is known as Mother Monster to her adoring fans, but her latest outfit would work well for a matriarch of some chic coven. Or someone on their way to a late-night party at Berghain.
When the first song of the night features record-smashing pop icon Billie Eilish out the front of pop-punk royalty Green Day, you know you're in for something special. That's how FireAid, a massive ...