Chaka Khan, Royel Otis, Lionel Richie, Diana Ross, Finneas and Alanis Morissette will also take the stage at the 59th annual festival.
After a triumphant night at the 2024 Brit Awards, where she scooped a record six trophies, Raye will perform on the Lake Stage.
Sam Smith, Lil Nas X, Nile Rodgers and Janelle Monáe are among the big stars confirmed for this year's show.
