On October 28, 2022, SM Entertainment announced Red Velvet would be releasing a new album in November 2022. On November 7, it was announced the group will be releasing their sixth special extended play titled The ReVe Festival 2022 – Birthday, alongside the lead single "Birthday", on November 28. On November 27, the music video teaser was released. The song was released alongside its music video and the EP on November 28.
