The ladies of f(x) have shared photos from the practice room.already confirmed that the group will return in October , and fans can't wait to see them come back!On September 8,shared the photo above of her wiped out after a hard practice session on Instagram with the message,." You can see the rest of f(x) also resting in the background.also shared a photo of herself andwith the message,whileshared a solo shot of herself.Are you excited for f(x)'s comeback?