 Max wore a red English-military jacket, black leather pants and black platform shoes, while the dancers all wore black outfits.She also appeared on "The Ellen DeGeneres Show" to perform the song on April 11, 2019, sporting a fully black outfit and signature hairstyle while joined by a group of dancers.She performed "Sweet but Psycho" on breakfast television show "Sunrise" on April 29, 2019, as her debut performance on Australian television.