Super Junior's member Donghae and f(x)'s member Amber revealed a picture taken together.

On August 25, Donghae posted on his Instagram, "Yo with my sister Amber" along with a picture.

In the picture, Donghae and Amber were looking at the camera with their faces close together. They both opened their eyes wide and made subtle smiles, making them look alike.

Internet users who saw this commented, "They really look alike," "They look like twins," and "How cute."

Super Junior will be making a comeback on August 29 with their new song "MAMACITA".