"Messy" is a song by New Zealand and South Korean singer Rosé. It was released through Atlantic Records and Apple Video Programming on 8 May 2025 as the second single from the soundtrack album to the sports action drama film F1 (2025). A pop ballad about an intense whirlwind romance, the song was written by Rosé with Cleo Tighe, Delacey, and the song's producers Burns and Lostboy.