We all know from before that Jessica of SNSD and Krystal of f(x) are sisters although we have rarely seen them bonding together in public. There were even comments from netizens who feel that they don't look alike at all actually and aren't really close with each other. But a picture from the recent LG Chocolate Love showcase has dispersed all those thoughts. As seen from the picture above and the video below, they looked very much like sisters. credit: protonic9