Versatile gymnast who won three medals at the 2008 Olympics: gold in the team event, and bronze in the vault and balance beam.
She won her first gymnastics competition at five years old.
She has five gold medals from the World Championships, and three more from the World Cup Finals.
Her mother worked in a tire factory, and her father was a shipping clerk.
During the balance beam competition at the Olympics, she finished just behind gold-medalist Shawn Johnson, who called her an inspiration.