A racegoer cheers on their horse at Cheltenham Racecourse for ladies day on March 16, 2011 in Cheltenham, England.

A pilgrim walks on her knees to fulfil her vows, as pilgrims attend the 99th anniversary of the appearance of the Virgin Mary to three shepherd children, at the Catholic shrine of Fatima, Portugal May 12, 2016. (Photo by Rafael Marchante/Reuters)

The National parks department hosts the 30th annual “All-Women Lifeguard Tournament” in Sandy Hook NJ. July 30, 2014. (Photo by Anthony Causi)

Miranda Kerr attends Carine Roitfeld & Stephen Gan celebration of the launch of CR Fashion Book N.5 in Paris, Tuesday, September 30, 2014. (Photo by Zacharie Scheurer/AP Photo)

In this Sunday, August 5, 2018 photo, a dancer winces in pain as she is whipped by a fellow dancer in an adaptation of the Inca warrior dance known as “Kachampa”, during celebrations honoring Our Lady of Copacabana, in Cuzco, Peru. (Photo by Martin Mejia/AP Photo)

Three prostitutes lean out of a window in Santiago, Chile, in an attempt to entice customers inside, circa 1950. (Photo by Three Lions/Getty Images)

French First Lady Carla Bruni-Sarkozy waits for the spouses of the Heads of Delegation participating in the G8 Summit on May 26, 2011 in Deauville, France. (Photo by Franck Prevel/Getty Images)

Racing fans soak up the sunshine and dress to impress during Ladies Day at the Aintree Grand National meeting on April 8, 2011 in Aintree, England. Friday is traditionally Ladies day at the three-day meeting of the world famous Grand National, where fashion is as important as the racing.