IN PICS: Theresa May Bows Out As UK Prime Minister With A Final Statement In Downing Street

"Their successes will be our country's successes," she said of Johnson and her other future successors in the post of British prime minister. "Brexit must be finished in a way that works for the whole of the UK. Then Britain can move to a bright future," she said, in her final speech at Downing Street. (Photo by Dan Kitwood/Getty Images)

May took over as Britain second female PM, since Margaret Thatcher, after David Cameron resigned as Conservative Party leader and Prime Minister in the wake of the June 2016 referendum with a "Brexit means Brexit and we will make a success of it". (Photo by Chris J Ratcliffe/Getty Images)