when was ariana grande's last tour

Ariana Grande's last tour was the Sweetener World Tour, which concluded on December 22, 2019, in Inglewood, California. She has announced a new tour titled the Eternal Sunshine Tour, which is set to begin on June 6, 2026, in Oakland, California, and conclude on September 1, 2026, at the O2 Arena in London. This 2026 tour will be her first tour since the 2019 Sweetener World Tour.