The actor, 46, surprised fans of the yearly music festival when they read his name among the list of performers for the 2019 lineup released late Wednesday night. Guns N' Roses, Lady Gaga and Drake have also performed.
Grande's appearance at the festival comes on the heels of Beyonce headlining a year ago alongside The Weeknd and Eminem. Gambino, 35, will headline Friday April 12 and 19, Tame Impala on Saturday April 12 and 20, while Grande, 25, is scheduled for Sunday April 14 and 21. Supporting artists include Khalid, Janelle Monae, The 1975, Dillon Francis, Diplo, Zedd and Wiz Khalifa.
Meanwhile, Tame Impala's Kevin Parker - who's spent the years since their 2015 album Currents collaborating with Rihanna, Travis Scott, and Kanye West - teased "new sounds" for the group on social media.
The pop star herself tweeted that she was "humbled and excited as all hell". Grande added a cactus emoji.
Rumours of his appearance at the cult music festival began previous year alongside whispers of Justin Timberlake and Childish Gambino.
Organisers say it attracted 250,000 people in 2017.
Coachella 2019 goes down in Indio, California from April 12th-14th, and then for a second weekend from April 19th-21st.