"XO TOUR Llif3" is a song by American rapper Lil Uzi Vert, released in 2017. It features a blend of hip-hop and emo influences, showcasing themes of heartbreak, fame, and existential struggles. The track gained significant popularity, becoming a defining anthem of the SoundCloud rap movement. The song's production includes a haunting melody and heavy bass, contributing to its emotional impact. Its catchy chorus and relatable lyrics resonated with many listeners, leading to widespread acclaim and numerous remixes. "XO TOUR Llif3" solidified Lil Uzi Vert's status in the music industry and remains a staple in contemporary rap culture.