Shannon Miller is the most decorated American gymnast, male or female, in history, having won more Olympic and World Championship Medals than any other American Gymnast. She has earned 7 Olympic Medals and 9 World Championship Medals.
LONDON - JULY Jonna Adlerteg of Sweden competes on the beam in the Artistic Gymnastics Women's Team qualification on Day 2 of the London 2012 Olympic Games at North Greenwich Arena on July 2012 in London. (Photo by Cameron Spencer/Getty Images)
Simone Biles of the United States competed on the balance beam during the Women's Individual All Around Final on Day 6 of the 2016 Rio Olympics at Rio Olympic Arena on August (Mike Ehrmann/Getty Images)