Justin Vernon was also joined on stage by Sylvan Esso and Francis and the Lights.
Kelly Rowland and Jessie J also participated in the surprise performance Los Angeles’ Peppermint Club.
The Boss performed “Because the Night” and the R.E.M. frontman joined in for “People Have the Power”.
She was also joined on stage by 21 Savage, Kehlani, YG, and G-Eazy.
K. Dot follows up his surprise appearance during Vince Staples’ set with another onstage cameo.
Boy George also popped by to perform “Karma Chameleon” during the band’s third and final show in London.
Plus, Hynde, Bryce Dessner, and the Preservation Hall Jazz Band joined in for “Wake Up”.
Francis & the Lights and Nao also popped in for a guest-packed performance of “Friends”.
The actor read Edgar Allen Poe’s “The Tell-Tale Heart,” watch a bunch of his own movies at this year’s CAGED Marathon.
Lil Chano pops up at Flosstradamus’ set to perform “No Problem”, “Summer Friends”.
Ward also reconvened She & Him at his show in Los Angeles over the weekend.