In this short behind the scenes video, MAC Cosmetics take us behind the scenes of the Viva Glam 2012 advertising campaign photoshot with two specially chosen celebrity ambassadors Nicki Minaj and Ricky Martin who were more than willing to make a stand for the cause. The campaign was shot by noted fashion photographer David LaChappelle. All proceeds from VIVA GLAM lip products benefit the fight against HIV/AIDS. Watch the behind the scenes footage below.