Other day two highlights include Flava Flav with Yo Gabba Gabba, LL Cool J with the LA Philharmonic, and even Bernie Sanders with Clairo at the Coachella Valley Music and Arts Festival.

Charli xcx brought out Billie Eilish, Lorde and Troye Sivan for her raucous Coachella set... and commented on the future of 'Brat Summer.'

Billie Eilish has upped the anticipation for Charli XCX's huge Coachella set with teases on social media. Charli XCX will perform one of the most anticipated sets at Coachella this weekend, and the hype has grown even more, thanks to recent posts from Billie Eilish.