LONDON, ENGLAND - OCTOBER 29: Singer Rita Ora attends the UNICEF Halloween Ball at One Mayfair on October 29, 2015 in London, England. (Photo by Tristan Fewings/Getty Images)
LONDON, ENGLAND - OCTOBER 29: Singer Rita Ora attends the UNICEF Halloween Ball at One Mayfair on October 29, 2015 in London, England. (Photo by Tristan Fewings/Getty Images)