Check out f(x)'s beautiful photos from M!Countdown's waiting room

Tonight's the night for f(x)'s comeback on M!Countdown!

But prior to their comeback stage later tonight, let's check out their beautiful photos from M!Countdown's waiting room first~

♥ Watch f(x)'s comeback performances here

♥ More about f(x)'s 'Red Light' here

Credits:
MnetMCountdown