"Psycho" is a song by American rapper Post Malone featuring American singer Ty Dolla $ign. It was released through Republic Records on February 23, 2018, as the third single from Malone's second studio album, Beerbongs & Bentleys (2018).[2][3][4] The artists wrote the song with Louis Bell, who produced it with Malone. Lyrically, the song discusses the artists' lifestyle and explores the theme of excessive fame and trust issues.[5][6] The song entered at number two on the US Billboard Hot 100 behind Drake's "God's Plan",[7] and reached number one in June 2018, becoming Malone's second and Ty's first chart-topper.[8]