Princess Märtha Louise

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of her 50th anniversary. Photo: Stian Lysberg Solum / NTB

Princess Märtha Louise on the occasion of Their Majesties King Harald and Queen Sonja's Silver Anniversary. Photo: Lise Åserud, NTB scanpix

Princess Märtha Louise at the celebration of His Majesty King Carl Gustaf of Sweden's 70th anniversary. Photo: Lise Åserud / NTB scanpix

Princess Märtha Louise at the wedding between Princess Madeleine of Sweden and Mr Chris O'Neill in Stockholm. Photo: Lise Åserud, NTB scanpix

Princess Märtha Louise arrive for the wedding between Hereditary Grand Duke Guillaume of Luxembourg and Comtesse Stéphanie de Lannoy. Photo: Vegard Grøtt / NTB scanpix

Princess Märtha Louise on the occasion of her 40th anniversary (Photo: Terje Bendiksby / Scanpix)

Princess Märtha Louise, on the occasion of her 40th anniversary (Photo: Terje Bendiksby / Scanpix)

Princess Märtha Louise, on the occasion of her 40th anniversary (Photo: Terje Bendiksby / Scanpix)

Princess Märtha Louise 2011 (Photo: Thomas Winje Øijord / Scanpix)

Princess Märtha Louise 2010 (Photo: Kyrre Lien, Scanpix)

Prinsesse Märtha Louise 2010 (Foto: Lise Åserud / Scanpix)

Princess Märtha Louise 2010 (Photo: Geir Olsen / Scanpix)

Princess Märtha Louise 2009 (Photo: Kyrre Lien, Scanpix)

Princess Märtha Louise 2009 (Photo: Lise Åserud / Scanpix)

Princess Märtha Louise 2008 (Photo: Kyrre Lien, Scanpix)

Princess Märtha Louise 2008 (Photo: Stian Lysberg Solum / Scanpix)

Princess Märtha Louise 2007 (Photo: Lise Åserud / Scanpix)

Princess Märtha Louise 2006 (Photo: Cathrine Wessel)

Princess Märtha Louise 2006 (Photo: Cathrine Wessel)

Princess Märtha Louise 2006 (Photo: Cathrine Wessel)

Princess Märtha Louise 2006 (Photo: Cathrine Wessel)

Princess Märtha Louise 2004 (Photo: Heiko Junge / Scanpix)

Princess Märtha Louise 2004 (Photo: Knut Falch / Scanpix)

Princess Märtha Louise 2001 (Photo: Bjørn Sigurdsøn / Scanpix)

Princess Märtha Louise 2001 (Photo: Lise Åserud / Scanpix)

Princess Märtha Louise 2001 (Photo: Berit Roald / Scanpix)

Princess Märtha Louise 2001 (Photo: Lise Åserud / Scanpix)