LONDON, ENGLAND - DECEMBER 11: Kylie Minogue is joined by Dannii Minogue on stage during her Christmas show at the Royal Albert Hall on December 11, 2015 in London, England. (Photo by Christie Goodwin/Getty Images)
LONDON, ENGLAND - DECEMBER 11: Kylie Minogue is joined by Dannii Minogue on stage during her Christmas show at the Royal Albert Hall on December 11, 2015 in London, England. (Photo by Christie Goodwin/Getty Images)