Traitor (song)

"Traitor" (stylized in all lowercase) is a song by American singer-songwriter Olivia Rodrigo. It was released to US mainstream radio on August 10, 2021, through Geffen Records, as the fourth single from Rodrigo's debut album, Sour (2021). An indie pop and guitar-rock ballad, the song was written by Rodrigo and Dan Nigro, and produced by the latter.

Before it was promoted as a single, upon Sour's release, "Traitor" became a fan-favorite and achieved commercial success. Music critics praised the song for its vocals and lyrics, and picked it as an album highlight. "Traitor" arrived at number nine in the United States, number five in the United Kingdom, and peaked within the top 10 in Australia, Canada, Ireland, New Zealand, and Portugal. The song was also certified diamond in Mexico and platinum in Australia, Canada, New Zealand, the United Kingdom and the United States. The song received its debut performance in Rodrigo's YouTube concert film Sour Prom (2021) That was featured in her official channel.