Celebrity guests joined the Class of 2020 to give seniors advice, share a few laughs, and make a night to remember.
The EDM DJ's concert will take place at 8 p.m. on Thursday, April 23 via Zoom Webinar.
"I'm so excited," Andreasen said in a release. "I'm just over the moon about it."
Anyone who previously purchased tickets to the show or meet-and-greet may still use them in the fall.
Tickets for The Killers' concert will go on sale at 10 a.m. on Friday, March 20.
Foster The People will headline the end-of-the-year music festival, while Sasha Sloan, Lil Yachty, and Two Friends will all also perform.