AP Photo/Andrew Milligan
Prince William and fiancee Kate Middleton wave to the public during a visit to their alma mater, the University of St. Andrews, in St. Andrews, Scotland, Friday, Feb. 25, 2011. The royal couple traveled to St. Andrews, where they first met, to help the university kick off a two-year celebration of its 600th anniversary. They will be married at Westminster Abbey on April 29.
Jeff J Mitchell/Getty Images
Kate Middleton meets the crowd during a visit with fiance Prince William to the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
CARL DE SOUZA/AFP/Getty Images
Prince William and fiancee Kate Middleton visit the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Andrew Milliganl/Getty Images
Prince William and fiancee Kate Middleton pass St. Salvator's hall, accompanied by Chancellor Sir Menzies Campbell, right, and Principal Louise Richardson, left, during a visit to the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
DAVID CHESKIN
Prince William and fiancee Kate Middleton pass St. Salvator's halls, accompanied by Chancellor Sir Menzies Campbell, right, during a visit to the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Jeff J Mitchell/Getty Images
Prince William and fiancee Kate Middleton visit the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
AP Photo/Chris Clark
Prince William and fiancee Kate Middleton visit the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Chris Jackson/Getty Images
Members of the public look on as Prince William and fiancee Kate Middleton visit the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Chris Jackson/Getty Images
Members of the public look on as Prince William and fiancee Kate Middleton visit the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Jeff J Mitchell/Getty Images
Prince William and fiancee Kate Middleton share a lighter moment during a visit to the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
Jeff J Mitchell/Getty Images
Prince William and Kate Middleton sit with Chancellor Sir Menzies Cambell, left, and Principal Louise Richardson, right, during a visit to the University of St. Andrews, where they first met, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
David Cheskin/Getty Images
Kate Middleton flashes her engagement ring during a visit to the University of St Andrews, in St. Andrews, Scotland, Friday, Feb. 25, 2011.
AP Photo/Andrew Milligan
Prince William and Kate Middleton during a visit to the St. Andrews University Museum, where they viewed the Papal Bull, in St. Andrews, Scotland, Friday, Feb. 25, 2011. The Papal Bull is the charter issued by the Pope in 1411 that established the university.
Andrew Milligan/Getty Images
Prince William and Kate Middleton during a visit to the St. Andrews University Museum, where they viewed the Papal Bull, in St. Andrews, Scotland, Friday, Feb. 25, 2011. The Papal Bull is the charter issued by the Pope in 1411 that established the university.