The 'Red Light' is on with f(x)'s comeback on M!Countdown!

The wait is officially over!

f(x) has finally made their much awaited comeback and here's their debut performance for 'Red Light' on Mnet's M!Countdown~

Milk + Red Light

Bonus Videos:
f(x) 'Milk' + 'Red Light' (Full Shot)

Focus on f(x)'s Sulli

Focus on f(x)'s Krystal

Focus on f(x)'s Victoria

Interview

♥ See f(x)'s photos from M!Countdown's waiting room here

♥ More about f(x)'s 'Red Light' here