Nastia Liukin

Anastasia Valeryevna "Nastia" Lyukina (born October 30, 1989) is a Russian-American artistic gymnast. She is the 2008 Olympic individual all-around Champion, the 2005 and 2007 World Champion on the balance beam, and the 2005 World Champion on the uneven bars. With nine World Championships medals, seven of them individual, Liukin is tied with Shannon Miller and Alicia Sacramone as the American gymnasts having won the most World Championship medals. Liukin has also tied Miller's record as the American gymnast having won the most medals in a single non-boycotted Olympic Games.