Fifth Harmony performing one of their upcoming new songs "We Know" acoustically at Billboard Live Sessions which will be on their new album coming out this fall. If you like this be sure to buy their new single BO$$ on iTunes here: smarturl.it/5HBOSS and watch the music video here:    • Fifth Harmony - BO$$ (BOSS)   (No copy right intended, only uploaded to edit out talking in beginning of the original Billboard video)