Ryu Hyoyoung and Ryu Hwayoung

Hyoyoung is ex-member ofCoed School and its female unit F-ve Dolls, while Hwayoung is ex-member of T-ARA.

Boyfriend’s Kwangmin and Youngmin

Kwangmin and Youngmin are identical twins and it's hard to tell apart them. 

JYJ’s Kim Junsu and Kim Junho

Kim Junsu and Kim Junho are fraternal twins.

f(x)’s Luna and Her Twin Sister Park Jin Young

Crayon Pop’s Choa and Way

Bang Yongguk and Yongnam

Do you think are they really identical?