There's a million reasons to love the Halo series of games. Elites, sniper rifle sprees and impossible odds are pretty popular reasons. None, however compare to the beauty of everybody's favourite AI, Cortana.
People want to be her, and people want to dress like her. Ms Valentine is one of that talented group and has pulled off a pretty great Cortana costume which she debuted at the Megacon 2010.
Check out more pix at HBO

