Phelps, Biles add to US gold medal count
US swimmer Michael Phelps wins his 22nd gold medal as gymnastics star Simone Biles wins her second. CNN's Christina Macfarlane has the highlights.
01:43 - Source: CNN
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RIO DE JANEIRO, BRAZIL - AUGUST 11:  Michael Phelps of the United States celebrates winning the Men's 200m Individual Medley Final on Day 6 of the Rio 2016 Olympic Games at the Olympic Aquatics Stadium on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Al Bello/Getty Images)
Phelps, Biles add to US gold medal count
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US gymnast Simone Biles celebrates on the podium of the women's floor event final of the Artistic Gymnastics at the Olympic Arena during the Rio 2016 Olympic Games in Rio de Janeiro on August 16, 2016.
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RIO DE JANEIRO, BRAZIL - AUGUST 11:  Simone Biles of the United States looks on during the Women's Individual All Around Final on Day 6 of the 2016 Rio Olympics at Rio Olympic Arena on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Alex Livesey/Getty Images)
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Gold medalist Simone Biles of the United States celebrates on the podium at the medal ceremony for the Women's Floor on Day 11 of the Rio 2016 Olympic Games, August 16, 2016 in Rio de Janeiro, Brazil.
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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 Ryan Pierse/Getty Images)
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U.S. gymnast Simone Biles won a record-tying four gold medals and one bronze as she dazzled the crowd with a mix of elegance and athleticism rarely seen in the sport.
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RIO DE JANEIRO, BRAZIL - AUGUST 11:  Simone Biles of the United States looks on during the Women's Individual All Around Final on Day 6 of the 2016 Rio Olympics at Rio Olympic Arena on August 11, 2016 in Rio de Janeiro, Brazil.  (Photo by Alex Livesey/Getty Images)
Simone Biles wins all-around gymnastics gold in Rio
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