Girl group Crayon Pop will be performing the opening stage for Lady Gaga's U.S. tour for a month.

This will be a tour that is held in the U.S. and will be performing 13 concerts.

It is a rare sight to see a K-pop group to do the opening performance for a U.S. top star like Gaga.

On March 21, Lady Gaga posted on her twitter, "From June 26-July 22, K-Pop girl group Crayon Pop will be doing the opening stage for my 'artRAVE: The ARTPOP Ball' tour."

Crayon Pop also revealed the exciting news on their twitter as well that they would be opening all 13 concerts for Lady Gaga's tour.

This tour will be Lady Gaga's 4th concert tour and after finishing in the states, she will head to South America and Europe.