Celebrities Attend King Charles III's Coronation: A Glamorous Affair in Photos.

Katy Perry attended King Charles III and Queen Camilla's coronation ceremony at Westminster Abbey in London, where she took selfies with fans. Perry and Lionel Richie, her fellow "American Idol" judge, are set to perform at Charles' coronation concert Sunday. The concert will feature British pop group Take That, Andrea Bocelli, Bryn Terfel, Freya Ridings, and Alexis Ffrench, as well as a choir drawn from amateur troupes across the United Kingdom. Perry has a close relationship with the British monarch, having been appointed an ambassador of the British Asian Trust in 2020.