Kim Ok Bin�appeared on this�week's 'A Hyung I Know' and showed the members her dance skills.

In the episode, Kang Ho Dong recalls the time he saw Kim Ok Bin and mentioned he was shocked at the time because she was very good much like Beyonce. The cast asked her to show them something in which she danced extremely well to impress and wow the entire studio. Afterward, Kim Hee Chul gave her a nickname of "Okyonce" to emphasize how good she was.

SEE ALSO: 'Wicked Woman's Kim Ok Bin to appear on 'A Hyung I Know'!