Wonder Girls Revealed a picture they took with Sting. 

On Monday, it was written on the Wonder Girl's official Twitter page, "with sting! Behind the stage for UN Day."

In the picture, the Wonder Girls was seen taking a picture next to Sting. This was taken on the 24th, after the UN Day collaboration performance. 

The Wonder Girls attended the UN 67th anniversary that was held in New York. The Wonder Girls performed alongside Stevie Wonder, Sting, Paul Simon and also received applause. 

Internet users have commented, "I'm proud of them," "I can't believe they were with Sting," and "I hope they continue their activities in America."

Sting will be performing in Seoul on December 7th.