Including three new songs by Lady Gaga
They will each perform tracks that featured in his ‘Planet Earth’ series alongside the BBC Concert Orchestra
They'll join PinkPantheress, Zara Larsson, 2hollis, Oklou, Audrey Hobert, Rose Gray and more on August 22
Previous winners include Adele, Florence and the Machine, Ellie Goulding, Sam Smith and The Last Dinner Party
The winner of the prestigious prize will be confirmed in January ahead of the ceremony a month later
"The summer's biggest female-led festival bill"
The 19-year-old soul-pop singer reflects on a whirlwind year dropping her debut EP ‘Sink Now, Swim Later’ and collaborating with Finneas