Kate Middleton At The Renaissance Rooms In South London, For The Day-Glo Midnight Roller Disco, An Event Organised In Aid Of A Charity In Oxford Set Up In Memory Of Thomas Waley-Cohen, Who Died From Bone Cancer In 2004 At The Age Of 20. (Photo by Antony Jones/UK Press via Getty Images)

Kate Middleton At The Renaissance Rooms In South London, For The Day-Glo Midnight Roller Disco, An Event Organised In Aid Of A Charity In Oxford Set Up In Memory Of Thomas Waley-Cohen, Who Died From Bone Cancer In 2004 At The Age Of 20. (Photo by Antony Jones/UK Press via Getty Images)