"Vibrato" (Korean: 떨려요; RR: tteollyeoyo) is a song recorded by South Korean girl group Stellar and served as their sixth digital single.

It was written and produced by Hwang Hyun, member of MonoTree.

The song and music video were scheduled to be released at noon, as most releases of the industry, but the record company decided to postpone the launch for later that day, citing creative reasons.

The music video was rated 19+ by CJ E&M distributor, seen as provocative and unsuited for minors.

[8] The song entered and peaked at number 97 on the Gaon Digital Chart with 20,803 downloads sold[9] for the week ending July 25, 2015.