2016 single by Taeyeon featuring Dean
"Starlight" is a song recorded by South Korean singers Taeyeon and Dean for Taeyeon's second extended play Why (2016). The song was released on June 25, 2016, by SM Entertainment as the EP's lead single. The song's lyrics were penned by Jam Factory's Lee Seu-ran, while its music was composed by Jamil "Digi" Chammas, Taylor Mckall, Tay Jasper, Adrian McKinnon, Leven Kali, Sara Forsberg, and MZMC. "Starlight" is a pop and R&B song that features synthesizers in its instrumentation. Its lyrics detail a romantic relationship.
The single received generally positive reviews from music critics, who were favorable towards its musical styles and Dean's appearance. It peaked at number five on South Korea's Gaon Digital Chart and charted at number six on the US Billboard World Digital Songs. A music video for the song was directed by Im Seong-gwan and was released simultaneously with the release of the song. Filmed in Los Angeles, California, the visual depicts Taeyeon and Dean as a loving couple. Although Taeyeon never performed the song live on music shows, "Starlight" achieved the number-one spot on KBS2's Music Bank on July 8, 2016. The track was included on the setlist of Taeyeon's concert series Butterfly Kiss, taking place in Seoul and Busan in July and August 2016.