Prince Albert II of Monaco, left, and Princess Charlene of Monaco stand next to each other during the dinner hosted by German President Joachim Gauck, not pictured, in Berlin on July 9, 2012.
Prince Albert II of Monaco, second right, and Princess Charlene of Monaco, second left, pose with their hosts, German President Joachim Gauck, right, and his partner Daniela Schadt, left, in Berlin, on July 9, 2012.
Prince Albert II of Monaco, left, and Princess Charlene of Monaco stand next to each other during the dinner hosted in their honor by German President Joachim Gauck, not pictured, in Berlin, July 9, 2012.
Monaco's Princess Charlene, right, greets guests at a dinner hosted in her honor by German President Joachim Gauck, not pictured, in Berlin, July 9, 2012.
From right, German President Joachim Gauck, Price Albert II of Monaco, Princess Charlene of Monaco and the president's partner Daniela Schadt at a gala dinner in Berlin, July 9, 2012.
Princess Charlene of Monaco looks on as her husband, Prince Albert II, right, and German President Joachim Gauck swap toasts at a gala dinner in Berlin, July 9, 2012.
Prince Albert II and Princess Charlene of Monaco hold hands as they arrive for a gala dinner on July 9, 2012, in Berlin. They two celebrated their first wedding anniversary at the beginning of this month.
Princess Charlene of Monaco chats with guests at a gala dinner on July 9, 2012, in Berlin.
Princess Charlene of Monaco arrives for a dinner hosted by German President Joachim Gauck, not pictured, in Berlin, on July 9, 2012.
Fashion designer Otto Kern, right, and his wife Naomi Valeska Salz, left, arrive for a dinner for Prince Albert II of Monaco and Princess Charlene of Monaco hosted by German President Joachim Gauck, all not pictured, in Berlin, July 9, 2012.
German swimmer Antje Buschschulte, left, and her partner Helge Meeuw, right, arrive for a dinner for Prince Albert II of Monaco and Princess Charlene of Monaco hosted by German President Joachim Gauck, all not pictured, in Berlin, July 9, 2012.
Former German swimmer Franziska van Almsick, left, and her husband Juergen B. Harder, right, arrive for a dinner for Prince Albert II of Monaco and Princess Charlene of Monaco hosted by German President Joachim Gauck, all not pictured, in Berlin, July 9, 2012.
German President Joachim Gauck, right, welcomes Prince Albert II, center, and Princess Charlene of Monaco, left, at Bellevue Palace in Berlin on July 9, 2012.
Princess Charlene of Monaco, Prince Albert II of Monaco and Berlin's Mayor Klaus Wowereit, from left, pose in front of the Brandenburg Gate in Berlin, July 9, 2012.
Prince Albert II of Monaco, left, and Princess Charlene of Monaco sign autographs for spectators as they arrive at a hotel in Berlin, July 9, 2012.
German Foreign Minister Guido Westerwelle, left, and his partner Michael Mronz, right, stand with Prince Albert II of Monaco, second left, and Princess Charlene of Monaco on board a vessel on the Spree River for a sightseeing tour in Berlin, July 9, 2012.
Princess Charlene of Monaco arrives in Berlin on July 9, 2012. She and her husband, Prince Albert II, are on a three-day state visit to Germany.
Princess Charlene and the partner of German President Joachim Gauck, Daniela Schadt, chat together in Berlin on July 9, 2012.
Prince Albert II of Monaco signs a guest book in Berlin during his state visit to Germany on July 9, 2010.
Joachim Schmidt, left, a Mercedes-Benz executive, welcomes Prince Albert II and Princess Cahrlene of Monaco to the Mercedes-Benz Museum in Stuttgart on July 10, 2012.