The shows at Waterloo Park in Austin, TX will take place from March 13-15.
The star called her Brazilian fans the "lifeblood" of her Little Monsters.
The August 1-3 fest in Montreal will also feature Glass Animals, Doechii, Gracie Abrams, Chainsmokers, Shaboozey and Jamie XX.
Benson Boone, Raye and Shaboozey will also perform at the event slated for July 12-13 at Olympic Park and the Olympic Stadium in Berlin.
The star-studded show takes place on July 5 in England, featuring Metallica, Slayer, Anthrax and others.
The three-day event will take place at London's Finsbury Park from July 11-13.
Grace Bowers, Jesse Malin, Mavis Staples and Peter Frampton will also perform at the March 6 event at the Beacon Theatre.
Def Leppard, Hozier and James Taylor will also headline at the three-weekend bash along Lake Michigan.
The P-pop sensation will also visit Canada, Australia, and various countries across Asia and in the Middle East during their second world tour.
The event will take place June 5 at the iconic Troxy in Shoreditch, London.
