Last week, Lorde, Billie Eilish and Troye Sivan surprised audiences at the Coachella Valley Music and Arts Festival ... he brought out Kesha to sing her bop "YIPPEE-KI-YAY." After surprising ...

Last week, Lorde, Billie Eilish and Troye Sivan surprised audiences at the Coachella Valley Music and Arts Festival during Charli ... and this weekend, he brought out Kesha to sing her bop ...

Last week, Lorde, Billie Eilish and Troye Sivan surprised audiences at the Coachella Valley Music and Arts Festival during Charli ... and this weekend, he brought out Kesha to sing her bop ...

A.G. Cook brought out Kesha as a guest during his Coachella weekend two set for ‘Yippee Ki Yay’ – watch below. The hyperpop producer was performing on the Gobi Stage on Friday (April 18 ...