Twenty-year old He defeated American superstar Nastia Liukin to win the gold medal on uneven bars in Beijing, and she went on to win the gold medal on the event at the 2009 World Championships. But she lost her cloak of invincibility shortly after that: She fell off the apparatus at both the 2010 and 2011 World Championships. During qualifications in London, however, she posted the highest difficulty score, kept her legs glued together, nailed her jaw-dropping release skills and only came off the bars when it was time to stick her dismount. She qualified just behind Tweddle. Perhaps He has found her old magic in the nick of time.