Earlier, we reported that INFINITE held their very first solo concert, 'Second Invasion', at the Seoul Olympic Park stadium on February 11th. It's just been revealed that SHINee's Key was there at the event to show some support for his close friend, Woohyun.

On February 13th, Key posted a backstage photo from the concert onto his me2day and wrote, "I returned from cheering on my friend!! Let's also have a good performance soon."

Fans were glad to see their close friendship and were also excited about Key's comment on a possible comeback. They commented with, "You guys look alike!" and "Please make a comeback soon, SHINee!"

Source + Image: SHINee's me2day