Pregnant singer Christina Aguilera was on hand to host the Rock the Vote by Society clothing line nationwide launch party at Kitson on Robertson Blvd. on Tuesday (November 13), joined by her husband Jordan Bratman. Also in attendance were ‘American Idol’ season six runner-up Blake Lewis, Nicole Scherzinger of the Pussycat Dolls, NLT, and Samantha Ronson. Check out pictures and video from INF, Buzzfoto (picture1 / picture2), and X17. Watch footage below the fold.