They say blood is thicker than water; the women of the Blood Series can attest to this truth, for they've seen it first hand battling evil. Even in day-to-day endeavors these girls continue to cement their bond of support.A Bachelorette weekend in Las Vegas to celebrate the upcoming nuptials of Katarina, Rowan, and Melanie allows this group of girls a well deserved break to unwind with the ladies that have become more than family - they're Sisters in Blood.