LONDON, UNITED KINGDOM - JUNE 10: (EMBARGOED FOR PUBLICATION IN UK NEWSPAPERS UNTIL 48 HOURS AFTER CREATE DATE AND TIME) Princess Beatrice attends a national service of thanksgiving to mark Queen Elizabeth II's 90th birthday at St Paul's Cathedral on June 10, 2016 in London, England. (Photo by Max Mumby/Indigo/Getty Images)
Getty Images

Getty Images Entertainment Max Mumby/Indigo

LONDON, ENGLAND - JUNE 10: Princess Beatrice attends a lunch after the National Service of Thanksgiving as part of the 90th birthday celebrations for The Queen at The Guildhall on June 10, 2016 in London, England. (Photo by Jeff Spicer/Getty Images)
Getty Images

Getty Images Entertainment Jeff Spicer

LONDON, ENGLAND - JUNE 10: Princess Beatrice and Princess Eugenie attend a National Service of Thanksgiving as part of the 90th birthday celebrations for The Queen at St Paul's Cathedral on June 10, 2016 in London, England. (Photo by Stuart C. Wilson/Getty Images)
Getty Images

Getty Images Entertainment Stuart C. Wilson