King Charles Coronation LIVE: William's tribute to King & Big Help Out

King Charles Coronation LIVE: William's tribute to King & Big Help Out

Katy Perry shares secret detail of her Coronation concert gown After performing at Sunday night's Coronation concert, Katy Perry shared some backstage details with her Instagram followers. The Firework songstress, 38, joined stars including Lionel Richie and Take That in lighting up the stage at Windsor Castle in honour of King Charles III following his Coronation at Westminster Abbey the previous day. In the early hours of Monday morning, she took to the photosharing site to show the inside of the Vivienne Westwood she wore on stage.