12 Breakout Stars of 2012
Credit: Harry How/Getty Images for USOC
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Gabby Douglas
During the Olympic Games in London, the teenage gymnast won gold medals in the individual and team all-around competitions. After being interviewed by everyone from Oprah Winfrey to Jay Leno, the athlete scored a lucrative endorsement deal with Nintendo and filmed a cameo on The CW's The Vampire Diaries opposite her celebrity crush, Ian Somerhalder.