Kate Middleton and Prince William attend premiere of Mandela film

Kate Middleton and Prince William attended the premiere of Mandela - Long Way to Freedom this evening at London's Leicester Square. Kate stepped out in a stunning Roland Mouret gown. She looks like a princess! Oh wait, she is! :-)

Meanwhile the Duke and Duchess of cambridge re-rocked their outfits. The royal couple wore this same outfits to a black tie event in May 2012. See the pic after the cut...