Here's 'Where's Waldo?' but Heechul version!  Did you know there was a twelfth member of IOI?

SEE ALSO: Tenasia reports 'full story' of Jung Woo Sung and Moon Ga Bi, underscoring the actor's alleged refusal to take on husband and father roles

The other day, Heechul posted a group picture of IOI for the recording of 'A Hyung I Know,' but he was mixed in with the crowd, dressed just like the girls.  This ain't his first time dressing up as a woman, so we know how pretty he is - but to think that he blends in so well that it will take you at least a few seconds to point him out!

He uploads a few pictures of himself as a female idol, and he looks so darn pretty, making all other girls feel bad...  Can you find him below?

I.O.I ? ?? ?? #??? #??? #??? #??? #??? #??? #??? #??? #??? #??? #??? #IOI #??? #??? #??? #??? #??? #??? #??? #????

A photo posted by ????? ??? (@kimheenim) on Apr 28, 2016 at 2:39am PDT

??? ??? ???? ? ????? ??. ??? ????? ??????? ????? ?? ?? ??. ? ???? ??? ??? ?? ??? ???? ?? #?? #????? #??? #??? #????

A photo posted by ????? ??? (@kimheenim) on Apr 28, 2016 at 8:06pm PDT

I.O.I? ??? ???? ???. ??? ? ????? ??? 1? ?? ???? ?? ??!! ????? "? ???. ?? ??? ???? ???? ? ?? ?? ??? ???" ???. ??? 3? ?? ? ? ??????.. ?? "????? ????? ? ?? ?? ? ??? ????? ??????" ????? ???? ?, ???? ??? ???!! #IOI #??? #??????????????????????

A photo posted by ????? ??? (@kimheenim) on Apr 29, 2016 at 4:30am PDT