RIO DE JANEIRO, Aug. 16 (Xinhua) -- U.S. talent Simone Biles took her fourth Olympic gold by winning the women's floor exercise at Rio on Tuesday.
The 19-year-old gymnastics star dominated the floor with both the highest difficulty score and execution score, winning the gold in 15.966 points.
The first time Olympian also won golds in the women's team, all-around and vault events.
Defending champion Alexandra Raisman failed to match up with her outstanding teammate Biles, but managed to bring home a silver in 15.500 points.
Britain's Amy Tinkler finished third in 14.933 points.