Katherine Amanda Blair (born December 29, 1987) is an American actress, model and beauty queen who won Miss Teen USA 2006 and Miss California USA 2011. She was the first person from Montana to win a major pageant title. In 2011, she was crowned Miss California USA after originally placing 1st runner-up to Alyssa Campanella; however, when Campanella won Miss USA 2011, Blair was crowned as successor on June 25.