"Sunset Blvd" is a song by American singer Selena Gomez and American record producer Benny Blanco, released as the second single from their collaborative studio album, I Said I Love You First. Gomez and Blanco wrote the track with Justin Tranter, Cashmere Cat, Michael Pollack, Amanda Ibanez, and Jeremy Malvin. Blanco also produced the song along with Chrome Sparks and Bart Schoudel. SMG Music LLC, Friends Keep Secrets and Interscope Records initially released the song for download and streaming on March 14, 2025. It was released to Italian radio on July 31, 2025.