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NEW YORK, NY - MARCH 04: Model Hannah Davis attends Reebok's launch of the revolutionary new ZPump Fusion at Spring Studios on March 4, 2015 in New York City. (Photo by Michael Loccisano/Getty Images for Reebok)

NEW YORK, NY - MARCH 04:  Model Hannah Davis attends Reebok's launch of the revolutionary new ZPump Fusion at Spring Studios on March 4, 2015 in New York City.  (Photo by Michael Loccisano/Getty Images for Reebok)