[INFO] From a Vietnamese singer (mention about f(x): Here is her status : "A Vietnamese singer spotted f(x) in LA. The girls are practicing right next the room of that singer. My friends, who knows F(X) of Kpop? they're practicing right now next the the room we're practicing for Paris by night 108! cant take pics because they're not ready, except only one !! guess who she is :))anw, awesome!!! " And here the pic she uploaded (check out below) *Note: After that she said the girl in the pic is Our Soojung : ) cr:FxHolic