A picture shows the shoes of Britain's Home Secretary Theresa May as she addresses delegates on the third day of the annual Conservative party conference in Manchester, north west England, on October 6, 2015. AFP PHOTO / OLI SCARFF (Photo credit should read OLI SCARFF/AFP/Getty Images)

A picture shows the shoes of Britain's Home Secretary Theresa May as she addresses delegates on the third day of the annual Conservative party conference in Manchester, north west England, on October 6, 2015. AFP PHOTO / OLI SCARFF        (Photo credit should read OLI SCARFF/AFP/Getty Images)

The metal toe capped shoes of Theresa May, U.K. prime minister and leader of the Conservative Party, are seen as she speaks during the first day of the party's annual conference in Birmingham, U.K., on Sunday, Oct. 2, 2016. May said she'll begin the U.K.'s withdrawal from the European Union in the first quarter of 2017 in her clearest announcement yet about her government's Brexit strategy. Photographer: Chris Ratcliffe/Bloomberg via Getty Images

The metal toe capped shoes of Theresa May, U.K. prime minister and leader of the Conservative Party, are seen as she speaks during the first day of the party's annual conference in Birmingham, U.K., on Sunday, Oct. 2, 2016. May said she'll begin the U.K.'s withdrawal from the European Union in the first quarter of 2017 in her clearest announcement yet about her government's Brexit strategy. Photographer: Chris Ratcliffe/Bloomberg via Getty Images