Women's Health Hosts Hamptons 'Party Under The Stars' for RUN10 FEED10 [Getty Images]

BRIDGEHAMPTON, NY - AUGUST 09: TV Personality Kourtney Kardashian attends Women's Health Hosts Hamptons "Party Under The Stars" for RUN10 FEED10 at Bridgehampton Tennis and Surf Club on August 9, 2014 in Bridgehampton, New York. (Photo by Paul Zimmerman/Getty Images for Women's Health)

Getty Images Entertainment Paul Zimmerman