Girl group Girl's Day's member Hyeri apologized to BEAST's member Son Dongwoon.

On December 22, Hyeri posted on her Twitter, "You know I'm a huge fan of BEAST who even went to your concert, right? I was just so excited to see that you won a award but if you felt uncomfortable by that, I apologize."

She continued, "I'm sorry. I'll be careful from now on as well. Please look over it with love" along with a picture.

In the picture, Hyeri is bowing in apology.

Son Dongwoon then replied on her Twitter, "Aww our little one thank you even at such a late hour sleep tight~~^^"

Recently, Hyeri had laughed while BEAST's member Son Dongwoon was giving a thank you speech at the "2014 MelOn Music Awards."