Katty Perry fans, block off Jan. 31, 2018 on your calendars.

The popstar announced Witness: The Tour in support of her latest album, Wtiness, which drops on Friday, June 9.

Perry will headline the Golden 1 Center during the second leg of her tour. Tickets go on-sale at 10 a.m. Monday, May 22.

Every ticket purchase for the tour includes a copy of Witness. Perry has also partnered with the Boys and Girls Club of America to donate $1 from every ticket sale to the organization.