Block B's Zico and HyunA show their close friendship in a selca

Block B's Zico and HyunA aren't just fashionistas but they are also good friends.

Through his twitter account, Zico uploads a selca taken with HyunA on his twitter and captions, "With Hyuna, Alexander Wang two."

The two both attend today's party for designer Alexander Wang X HM collection which is also attended by Gayoon, Sunmi, Rainbow's Oh Seung Ah, Hwang So Hee, Oh Yeon Seo, Byun Jeong Min, Lee Hye Jeong, Park Hee Hyun, and more.