Born in Plantation, Florida, Onfroy spent most of his childhood in Lauderhill. He began writing music after being released from a juvenile detention center and released his first song on SoundCloud in June 2013, titled "News/Flock". He was a popular figure in SoundCloud rap, a trap scene that takes elements of lo-fi music and harsh 808s. Onfroy rose to fame with the release of his song "Look at Me". He released his debut album, 17, on August 25, 2017. The album debuted at number 2 on the US Billboard 200, selling 86,000 album-equivalent units the first week. The album received a positive response from critics, some of which lauded the album for its personal narratives and diverse musical style. On August 15, 2018, the album was certified Platinum by the Recording Industry Association of America (RIAA). Onfroy's second album, ?, was released on March 16, 2018. It debuted at number one on the Billboard 200, with its singles "Sad!", "Changes" and "Moonlight" all reaching the top 20 of the Billboard Hot 100. The album was certified "Platinum" by the Recording Industry Association of America (RIAA) on August 7, 2018. A few months after his death, Onfroy won the Best New Hip Hop Artist at the BET Hip Hop Awards and won the Favourite Album-Soul/R&B for 17 at the American Music Awards.