LONDON, UNITED KINGDOM - JULY 13: New Prime Minister Theresa May, followed by her husband Philip John, is welcomed by staff as she walks into 10 Downing Street after meeting Queen Elizabeth II and accepting her invitation to become Prime Minister and form a new government on July 13, 2016 in London, United Kingdom. Former Home Secretary Theresa May becomes the UK's second female Prime Minister after she was selected unopposed by Conservative MPs to be their new party leader. She is currently MP for Maidenhead. (Photo by Stefan Rousseau - WPA Pool/Getty Images)