"Gangnam Style" Psy and Justin Bieber's 'two-shot' picture was revealed again.

Today Psy posted on his twitter, "When was this?" along with a picture.

In the picture, Psy and Justin are seen together and smiling at the camera. This image looked as if Psy was Justin's foreign uncle as he is smiling brightly.

Internet users commented, "It almost looked like two images put together" and "I wonder what the two talk about together."

On the other hand, Psy recently performed at the Korea President's inauguration ceremony on February 25.