In Royal Circles

Prince Carl Philip of Sweden looks on board the Puma Ocean Racing powered by BERG Propulsion yacht, skippered by Ken Read of Canada, during the first Pro-Am Race of the Volvo Ocean Race 2011-12 on Oct. 30, 2011, in Alicante, Spain.

Prince Carl Philip of Sweden takes a picture on board Puma Ocean Racing powered by BERG Propulsion, skippered by Ken Read of Canada, during the Iberdrola In-Port Race, the opening race of the Volvo Ocean Race 2011-12, on Oct. 29, 2011, in Alicante, Spain.

Norway

Norway's Crown Prince Haakon uses Twitter to open up "Innovation House" in downtown Palo Alto, Calif., Oct. 24, 2011, during a tour of California.

Norway Crown Prince Haakon, right, shakes hands with Pastor Emeritus H. Dagfinn Kvale during a visit to the Norwegian Seaman's Church in San Francisco, Oct. 25, 2011.

Japan

German President Christian Wulff, left, speaks with Japan's Emperor Akihito during a luncheon at the Imperial Palace in Tokyo, Oct. 24, 2011. Wulff was on a six-day visit to Japan.

Monaco

Princess Charlene and Prince Albert II of Monaco greet Julie Andrews at the Princess Grace Awards Gala at Cipriani 42nd Street on Nov. 1, 2011, in New York.

Pictures: The Princess Grace Awards

The Netherlands

Dutch Queen Beatrix, center, Crown Prince Willem-Alexander, right, and Princess Maxima wave to the public after a meeting with the prime minister in Fort Amsterdam, Curacao, on Nov. 1, 2011. The royal family is on a 10-day official visit to the Caribbean.

Pictures: Royal visit to the Caribbean

Britain

The Duke of Cambridge and Catherine, Duchess of Cambridge, visit the UNICEF Global Supply Centre on Nov. 2, 2011, in Copenhagen. The visit is to help maintain the spotlight on the ongoing humanitarian crisis in East Africa, which has left hundreds of thousands of children severely malnourished and at risk of starving to death unless they receive urgent help.

Pictures: Duke and Duchess in Denmark

Queen Elizabeth II greets well-wishers on the final day of her Australian tour at the Great Aussie BBQ on Oct. 29, 2011, in Perth. This was the queen's 16th visit to Australia.

Britain's Queen Elizabeth II, right, and Prince Philip wave goodbye as they board their flight at Perth International Airport following their 10-day visit to Australia on Oct. 29, 2011.

Queen Elizabeth II tours the new Royal Children's Hospital on Oct. 26, 2011 in Melbourne, Australia.

Queen Elizabeth II look at nurses who curtsy as she officially opens the new Royal Children's Hospital on Oct. 26, 2011, in Melbourne, Australia.

Queen Elizabeth II, escorted by Pan Pacific Perth hotel General Manager Grant Raubenheimer, arrives for a banquet as part of the Commonwealth Heads of Government Meetingon Oct. 28,2011 in Perth, Australia.

Queen Elizabeth II greets well-wishers on the final day of the queen's Australian tour at the Great Aussie BBQ on Oct. 29, 2011, in Perth, Australia.

Queen Elizabeth II and Prince Philip, Duke of Edinburgh, look on as they listen to speeches during the opening of the new Royal Children's Hospital on Oct. 26, 2011, in Melbourne, Australia.

Britain's Queen Elizabeth II signs the visitor's book during her visit to Clontarf Aboriginal College in Perth on Oct. 27, 2011.

Queen Elizabeth II receives flowers from schoolchildren at the State Reception at Government House on Oct. 26, 2011, in Melbourne, Australia.

Queen Elizabeth II receives flowers from students during her visit to Clontarf Aboriginal College on Oct. 27, 2011, in Perth, Australia.

Photo by Paul Burns/Clarence House via Getty Images

Catherine, Duchess of Cambridge, speaks to guests as she attends an event in support of the In Kind Direct charity at Clarence House on Oct. 26, 2011, in London. The event was the Duchess of Cambridge's first solo engagement.

Catherine, Duchess of Cambridge, speaks to guests as she attends an event in support of the In Kind Direct charity at Clarence House on Oct. 26, 2011 in London.

Catherine, Duchess of Cambridge, speaks to guests as she attends an event in support of the In Kind Direct charity at Clarence House on Oct. 26, 2011, in London.

Spain

Spanish Queen Sofia arrives at The National Opera to attend the celebration concert of King Michael I of Romania for his 90th birthday in Bucharest on Oct. 25, 2011.

Prince Sattam bin Abdul-Aziz Al Saud receives condolences from Spain's Crown Prince Felipe, left, in Riyadh, Saudi Arabia, Oct. 26, 2011. Late Saudi Crown Prince Sultan bin Abdul-Aziz Al Saud died Saturday after undergoing medical treatment in New York.

Crown Prince Felipe and Princess Letizia of Spain attend several audiences at Zaruzela Palace on Oct. 27, 2011, in Madrid.

Paraguay's President Fernando Lugo, left, shakes hands with Spain's Queen Sofia, center, as Spain's King Juan Carlos looks on before the inauguration ceremony of the XXI Iberoamerican summit in Asuncion, Paraguay, Oct. 28, 2011.

Cambodia

Cambodia's former King Norodom Sihanouk, center, is assisted by his son King Norodom Sihamoni, left, and his wife, former Queen Monineath, during a ceremony to mark the 20th anniversary of the former monarch's return to his homeland after years of civil war, in Phnom Penh, Cambodia, Oct. 30, 2011. The ailing former King Sihanouk, his country's dominant figure for half-a-century, vowed at a rare public appearance never to leave his homeland again.