"Starlight Moonlight" (Korean: 별빛달빛) is a song by South Korean Kpop girl group Secret. The song was released as a CD single on June 1, 2011 through TS Entertainment. The song was written and produced by Kang Ji Won and Kim Ki Bum, the same producers of their previous hits such as "Magic", "Madonna" and "Shy Boy". “Starlight Moonlight” is a sweet, retro-inspired song with influences of traditional Korean folk music. The song’s lyrics describe the protagonist’s feelings when the man confesses his love, and compares the protagonist’s feeling towards her lover as bright as the “Starlight” and “Moonlight”.

The music video for the song was recorded on May 2011. A video teaser was first released on May 29, 2011 hinting the retro folksy sound of the song. The audio that was used in the video teaser was “Oh! Honey”, one of the three songs in the CD single. The music video was built on a fantasy-inspired theme focusing on Han Sunhwa’s daydream over an admirer, which led her to different scenes in the music video while dancing and singing along with the other members.

“Starlight Moonlight” was well received by music critics and among netizens, and charted strongly throughout various music charts. The song debuted at number ten on the Gaon Single Chart and peaked at number two. By the end of June, "Starlight Moonlight" was the number one song on Gaon's Monthly Single Chart. The song also peaked at number one on various online music charts such as Dosirak, Bugs and Melon. On June 19, 2011, the song won the Mutizen award on SBS's Inkigayo. The song was remade into a Christmas version with Japanese lyrics, and it was on Secret's first Japanese EP, Shy Boy. According to Gaon Chart, "Starlight Moonlight" has sold over 3 million digital downloads in South Korea as of December 31, 2011, making it one of Secret's biggest singles.

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