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RIO DE JANEIRO, BRAZIL - AUGUST 14: Simone Biles of the United States competes in the Women's Vault Final on Day 9 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Patrick Smith/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 14:  Simone Biles of the United States competes in the Women's Vault Final on Day 9 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 14, 2016 in Rio de Janeiro, Brazil.  (Photo by Patrick Smith/Getty Images)

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RIO DE JANEIRO, BRAZIL - AUGUST 14: Simone Biles of the United States celebrates winning the gold medal in the Women's Vault Final on Day 9 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 14, 2016 in Rio de Janeiro, Brazil. (Photo by Alex Livesey/Getty Images)

RIO DE JANEIRO, BRAZIL - AUGUST 14:  Simone Biles of the United States celebrates winning the gold medal in the Women's Vault Final on Day 9 of the Rio 2016 Olympic Games at the Rio Olympic Arena on August 14, 2016 in Rio de Janeiro, Brazil.  (Photo by Alex Livesey/Getty Images)

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US gymnast Simone Biles celebrates with her gold medal on the podium for the women's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 14, 2016. / AFP / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)

US gymnast Simone Biles celebrates with her gold medal on the podium for the women's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 14, 2016. / AFP / Ben STANSALL        (Photo credit should read BEN STANSALL/AFP/Getty Images)

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(L-R) Russia's Maria Paseka, US gymnast Simone Biles and Switzerland's Giulia Steingruber celebrate on the podium for the women's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 14, 2016. / AFP / Ben STANSALL (Photo credit should read BEN STANSALL/AFP/Getty Images)

(L-R) Russia's Maria Paseka, US gymnast Simone Biles and Switzerland's Giulia Steingruber celebrate on the podium for the women's vault event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 14, 2016. / AFP / Ben STANSALL        (Photo credit should read BEN STANSALL/AFP/Getty Images)