AP
Prince Charles and his wife, Camilla, Duchess of Cornwall, are greeted by guests at a reception at the Academy of Music in Philadelphia during the 150th Anniversary Concert Saturday, Jan. 27, 2007.
AP
Charles, Prince of Wales, right, greets former Vice President Al Gore as he arrives at the Harvard Club in New York, Sunday, Jan. 28, 2007. In the background center, Charles' wife Camilla, right, greets actress Meryl Streep.
GETTY IMAGES/Chris Jackson
Britain's Prince Charles, The Prince of Wales, sits in a throne before attending a Dubar at the Emir's Palace in Kano, Nigeria. Just before the holidays, the prince made a royal tour of Sierra Leone and Nigeria.
GETTY IMAGES/Nat Travers
Prince William of Wales and his girlfriend, Kate Middleton, leave the night club Boujis on Jan. 5, 2007, in London.
The Netherlands
AP
United Nations Secretary-General Ban Ki-moon, left, and Dutch Queen Beatrix pose for photographers at Royal Palace Huis Ten Bosch in The Hague, Netherlands, Thursday Feb. 1, 2007.
Belgium
CBS
Prince Laurent, center, and his lawyer Fred Erdman, right, leave the courthouse in Hasselt, Belgium, Tuesday Jan. 9, 2007. King Albert's youngest son, Prince Laurent, arrived at a courthouse on Tuesday to give witness testimony in a fraud trial of 12 people accused of pocketing euro $2.9 million, allegedly siphoned from the navy's budget.
Japan
AP
Japanese Crown Prince Naruhito and his daughter Princess Aiko acknowledge well-wishers as they head to the Imperial Palace for the annual rice pounding event in Tokyo.
AP Photo/Kyodo News
Japan's Princess Kiko, third from right, wife of the emperor's second son Prince Akishino, second left, stands listening to a poem read with Empress Michiko, fourth from right, during an annual imperial verse reading ceremony at Imperial Palace in Tokyo Monday, Jan. 15, 2007. Standing third from left is Crown Prince Naruhito and sitting in the center is Emperor Akihito.
AP
Prince Akishino and Princess Kiko of Japan greet well-wishers celebrating the new year at Imperial Palace on Jan. 2, 2007, in Tokyo.
Denmark
AP/Florida Keys News Bureau
Crown Prince Frederik of Denmark walks by his sailboat Friday, Jan. 19, 2007, after sailing in the final race of the five-day Acura Key West 2007 sailing regatta in Key West, Fla. Prince Frederik, sailing Nanoq, finished in 13th place of 17 boats that sailed in the Farr 40 class.
Romania
AP
Count Tibor Kalnoky poses in front of his hunting manor in Miclosoara, Romania. In the last few years, he has created one of Romania's most successful tourist sites, counting Britain's Prince Charles among its guests. Kalnoky, an entrepreneur and son of a noble Transylvania family, grew up in France and Germany and moved back to the ancestral home after communism ended in 1989.
Greece
AP
Chairs and silver pieces from the collection of King George I of the Hellenes, who ruled Greece from 1863-1913, are seen at the Christie's auction house in central London. The more than 850 lots of silver, Faberge, furniture, works of art and paintings were sold Jan. 24-25, despite an appeal from the Greek government in Athens for the items to be withdrawn from sale.
Monaco
AP
Clowns welcome Princess Stephanie and Prince Albert of Monaco as they arrive to attend the 31st international circus festival of Monte Carlo, Thursday Jan. 18, 2007, in Monaco.
GETTY
The Guangzhou acrobatic troupe performs at the 31th International Circus Festival of Monte-Carlo on Jan. 18, 2007, in Monaco.
GETTY
Princess Stephanie of Monaco poses as she arrives to attend the 31th International Circus Festival of Monte-Carlo on Jan. 18, 2007, in Monaco.
Norway
AP
Norway's Crown Prince Haakon gestures while speaking during a closing ceremony at the World Economic Forum in Davos, Switzerland, Sunday, Jan. 28, 2007. The closing ceremony explored the global challenges of this century and the recognition that at the center of these challenges every person has a part to play.
Jordan
AP
Another guest at Davos was Jordan's Queen Rania, left, who shares a word with Britain's Chancellor of the Exchequer Gordon Brown during a session on Wisdom of Youth at the World Economic Forum in Switzerland, Friday, Jan. 26, 2007.
Spain
AP Photo
Italy's President Giorgio Napolitano, second left, talks with Spain's King Juan Carlos, right, alongside Queen Sofia, left, and Napolitano's wife, Clio, at EL Prado Museum in Madrid Jan. 29, 2007. They are in front of a painting, "The Last Supper," during the official opening day of the exhibition of art works by Italian master Jacopo Tintoretto.
AP
Spain's King Juan Carlos, left, shake hands with Italian President Giorgio Napolitano during a meeting at the Zarzuela Palace in Madrid, Monday, Jan. 29, 2007.
AP
Spain's Crown Prince Felipe and his wife, Princess Letizia, smile before an official dinner at the Royal Palace in Madrid, Monday, Jan. 29, 2007. Princess Letizia is pregnant with a girl, due in May.