Singer Nicole revealed a picture with girl group Lovelyz.

On December 14, Nicole posted on her Instagram, "Heh so pink and pretty, lovely Lovelyz! Fighting to you" along with a picture.

In the picture, Nicole and Lovelyz are standing close to each other, posing for the camera. Lovelyz members are dressed in pink school uniforms, showing off their cute and bright charms.

Internet users who saw this commented, "You could tell Nicole is the senior singer here," "Their school uniform concept is so cute," and "Fighting to both of you."

Nicole recently released her first solo debut song "Mama" and Lovelyz also their debut song "Candy Jelly Love."