f(x) shower fans with love through sweet and thoughtful act!

IU takes home win on 'Show! Music Core' despite 'Zeze' controversy

Krystal talks about her crying after f(x)'s win with '4 Walls'

Find out what f(x) is singing about in MBC's '4 Walls' lyric video

Key brings attention to 'the best cover' of f(x)'s '4 Walls'

Krystal and Amber say f(x) put a lot of work into their latest album '4 Walls'

Who's the man behind f(x)'s choreography for '4 Walls'?

f(x) - '4 Walls'

Victoria gets excited about f(x)'s comeback stage with '4 Walls' on 'M!Countdown'

f(x)'s '4 Walls' reaches over 1 million views in less than a day!

f(x) sweeps both Korean and Chinese music charts with '4 Walls'

f(x) drops long-awaited MV for their new track '4 Walls'!