King Philippe of Belgium and Queen Mathilde exchange a kiss as they wave to the crowd from the balcony of the Royal Palace in Brussels July 21, 2013. Belgium is celebrating its National Day, which also marks the abdication of King Albert II of Belgium and the investiture of his eldest son Philippe. REUTERS/Michael Kooren (BELGIUM - Tags: ENTERTAINMENT ROYALS) (KING-BELGIUM)
Belgium's Crown Prince Philippe (L) hugs his father King Albert II during the King's abdication ceremony at the Royal Palace on Belgian National Day in Brussels July 21, 2013. Crown Prince Philippe will swear an oath as King of Belgium later on Sunday. REUTERS/Philippe Wojazer (BELGIUM - Tags: ROYALS ENTERTAINMENT) (KING-BELGIUM)