On October 17, 2015, Stefani performed "Used to Love You" live during a concert for MasterCard users at the Hammerstein Ballroom in New York City. Stefani made the television debut of the song on "The Ellen DeGeneres Show" on October 26, 2015. In regards to Stefani's live performance, Joe Satran of "The Huffington Post" considered it "quite moving", while Caily Lindberg of Music Times called it "an emotional rendition". Robbie Daw wrote for Idolator that "[w]hile her black-clad band stood in the shadows quietly playing along and singing backup vocals, Gwen was front and center with her emotional breakup tune during her Ellen appearance, looking quite anguished but sounding on-point." On November 22, 2015, Stefani performed "Used to Love You" at the American Music Awards of 2015. Stefani performed the song live during various public appearances, including "The Voice", "The Tonight Show Starring Jimmy Fallon", and "New Year's Eve with Carson Daly" shortly after the countdown to the new year had ended.