While celebrities stateside are gathering on Sunday for an epic Jennifer Lopez/Shakira concert , across the pond, the world's biggest film stars are celebrating the 2020 BAFTA Awards.Everyone from in Dior to in Chanel to in Versace made glamorous appearances on the British red carpet.While most of the A-list guests donned haute couture fresh off the runway, took the BAFTAs to heart (attendees were asked to sport sustainable fashion or rewear old looks).