Lizzo

Simon's surprise appearance came after Global Citizen performances by Coldplay, Billie Eilish, Lizzo, J-Lo, and more.

Plus Caribou, Machine Gun Kelly, Sylvan Esso, Arlo Parks, Portugal. The Man, Wiz Khalifa, and more.

Listen to new songs from MAVI, J Balvin, Tierra Whack, Denzel Curry, Flee Lord & Roc Marciano, MF DOOM (Thom Yorke remix), Coi Leray, Injury Reserve, Lizzo/Cardi B, and more...

Listen to new songs by Lizzo/Cardi B, J Balvin, Tierra Whack, Denzel Curry, Filth Is Eternal, Sincere Engineer, Coi Leray, Charli XCX, Elton John/Dua Lipa, Shortly, Beachwood Sparks, and more...

Global Citizen has also revealed the Paris and Lagos lineups for 'Global Citizen Live,' an international concert that will stream live on September 25.

The 24-hour concert streams performances from six different continents and also features Coldplay, Doja Cat, Burna Boy, Christine and the Queens, The Weeknd, Angélique Kidjo, Davido, Duran Duran, Femi Kuti, and more...

The lineup also includes Foo Fighters, The Beach Boys, Ludacris, H.E.R., Brandi Carlile, Ziggy Marley (performing Bob Marley songs), Brittany Howard, Nile Rodgers & CHIC, The Isley Brothers, and more...

Plus Megan Thee Stallion, Roddy Ricch, Wiz Khalifa, Diplo, Portugal. The Man, Sylvan Esso, Khruangbin, Phoebe Bridgers, Taking Back Sunday, Turnstile, and more.

San Francisco's Outside Lands happens Halloween Weekend in Golden Gate Park with The Strokes, Lizzo, Tame Impala, J Balvin, Vampire Weekend, Tyler, the Creator, and more.

Plus Tyler, the Creator, Lana Del Rey, Run the Jewels, Phoebe Bridgers, Jason Isbell, My Morning Jacket, Deftones, Janelle Monae, and many more.