The Trilogy Tour was the fifth concert tour and first all-arena tour by American artist Melanie Martinez, launched in support of all three of her studio albums, Cry Baby, K-12 and Portals. Comprising fifty-three shows, the tour started on May 10, 2024, at the Climate Pledge Arena in Seattle, Washington, and concluded on November 16, 2024, at the Corona Capital festival in Mexico City, Mexico. Men I Trust, Beach Bunny, Sofia Isella, Elita, and Lola Young served as opening acts.