Katie Holmes might need to brush up on her geography skills! The Hollywood star had a hilarious moment when she was being interviewed for Vogue Australia when she failed to get the country's capital city correct.But rather than cave under the pressure, she took it all in her stride and had a wholehearted laugh at herself. Katie, 41, was being quizzed on Australia trivia and was asked a series of quick-fire questions, but when it came to naming the capital she blurted out: "Canberry!"MORE: Katie