The remix of "Pop Star" by Coco & Clair Clair- a collaboration with Chaeyoung from popular K-pop group TWICE, has been unveiled. This remix, featuring Chaeyoung's vocal prowess, was released on various music platforms on October 25 KST. The collaborative effort was announced on September 18 KST through the official social channels of Coco & Clair Clair, which piqued curiosity among both the duo's and Chaeyoung's fans, both domestically and internationally.

"Pop Star" is the closing number of Coco & Clair Clair's album 'SEXY (Deluxe Edition)', slated for an official release on November 10. The track embodies the free-wheeling spirit of a pop star and allows listeners to experience the dynamic musical chemistry between Chaeyoung and Coco & Clair Clair. Chaeyoung has showcased her versatility, charm, and unique artistic temperament through numerous productions. With this project, Chaeyoung continues to diversify her repertoire, working with global artists and enhancing her musical talents.