The Wonder Girls recently revealed a photo with American Grammy Award-winning songwriter and producer Crystal Nicole.

On January 24th, the girls shared the photo through Wonder Girls' official Twitter page with captions, "Wonder Girls with our amazing songwriter Crystal Nicole! Thank you so much for coming! THE DJ IS MINE."

The photo was taken during the red carpet premiere of Wonder Girls' upcoming Teen Nick movie, "The Wonder Girls". In the photo, the Hallyu idols are wearing black and elegant dresses while posing brightly with the renowed producer.

Crystal Nicole was the songwriter for Wonder Girls’ latest U.S. track, "The DJ is Mine". She also wrote for top stars including Rihanna, Beyonce, Mariah Carey, Jennifer Lopez and Janet Jackson.

Source