Like a boss.

That's how Simone Biles ended her history-making Rio Olympics, notching her fourth gold medal with a 15.966 to win the women's floor exercise final on Tuesday.

Biles's USA Final Five teammate Aly Raisman took the silver in the event, scoring a 15.500.

Altogether, Biles will leave Rio with five medals — four golds (team final, individual all-around final, vault final and floor final) and one bronze (balance beam final).

With Tuesday's floor victory, Biles became the first American woman to win four gold medals in one Olympic Games. The epitome of history-making #BlackGirlMagic!

The 4-foot-9 sensation also spearheaded the way to make these Rio Games the most winning for USA Gymnastics in one single Olympic Games.

Just imagine what Biles will do in the 2020 Games in Tokyo.

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