Kate Middleton, girlfriend of Prince William, during their graduation ceremony at St Andrews, Thursday June 23, 2005. William got a 2:1 in geography after four years studying for his Master of Arts. (Photo by Anwar Hussein Collection/ROTA/WireImage)

Kate Middleton, girlfriend of Prince William, during their graduation ceremony at St Andrews, Thursday June 23, 2005. William got a 2:1 in geography after four years studying for his Master of Arts. (Photo by Anwar Hussein Collection/ROTA/WireImage)