BLACKPINK's Rosé And CL Show Up At 2021 Met Gala In Gorgeous Outfits + Become 1st Female K-Pop Artists To Attend Event Celeb Sep 14, 2021 by U Kim ...

BLACKPINK’s Rosé and CL become the first female K-pop stars to attend the Met Gala They wore outfits by Saint Laurent and Alexander Wang, respectively By Carmen Chin 15th September 2021 ...

One person performing is CL, a popular K-pop (the term for South Korea's pop music) artist. According to Elite Daily, CL used to be the frontman for a rap group in South Korea, called 2NEI.