Holly MontagHeidi Montag's big sister Holly offically made her debut on NBC's new hitAudrina Patridge has tattoos on her arms and behind "And Joe aggressively sought out Holly Montag to work for him."The Hills Star Holly Montag Shows Off Her New TattooAs we've mentioned before, Spencer Pratt and Heidi Montag Pratt quit NBC's Kristin over and the gal pals joined Holly Montag in a three-way