Queens recognizing queens!

Hyolyn launched a brand new YouTube channel on Saturday (July 22), where she uploaded her first video: a charming cover of HEIZE's "Don't Know You."

The former Sistar member showcases her crystalline vocal chops in the black in white studio clip.

Watch below:

"Don't Know You" is off HEIZE's excellent /// (You, Clouds, Rain) mini-album, released June 26.

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