The Duke and Duchess of Cambridge marked their first wedding anniversary on April 29, 2012. They spent the weekend with friends as they travelled to an undisclosed location in Britain. AFP PHOTO / LEON NEAL

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge, wave as they travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, after their wedding service, in London, on April 29, 2011. AFP PHOTO / PIERRE-PHILIPPE MARCOU

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, in London, on April 29, 2011. AFP PHOTO / DAMIEN MEYER

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge, travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, in London, on April 29, 2011. AFP PHOTO / LEON NEAL

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge, wave as they travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, in London, on April 29, 2011. AFP PHOTO / DAMIEN MEYER

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge, wave as they travel in the 1902 State Landau carriage along the Processional Route to Buckingham Palace, in London, on April 29, 2011. AFP PHOTO / ODD ANDERSEN

Britain's Prince William (L) and his wife Kate, Duchess of Cambridge, leave Westminster Abbey in central London on April 29, 2011 after their wedding ceremony. AFP PHOTO / WPA POOL / Suzanne Plunkett

UNITED KINGDOM, London : Britain's Prince William, his wife Kate, Duchess of Cambridge, and Maid of honour Philippa Middleton (L) pose in front of Westminster Abbey in London, after their wedding ceremony, on April 29, 2011. AFP PHOTO / BEN STANSALL

UNITED KINGDOM, London : Prince William (CR) and his wife Kate, Duchess of Cambridge, walk down the aisle of Westminster Abbey after their royal wedding in central London on April 29, 2011. AFP PHOTO/ POOL/ DOMINIC LIPINSKI

UNITED KINGDOM, London : Britain's Prince William and his wife Kate, Duchess of Cambridge, leave Westminster Abbey after their wedding ceremony, in London, on April 29, 2011. AFP PHOTO / CARL DE SOUZA

UNITED KINGDOM, London : Britain's Prince William and Kate Middleton kneel at the altar of Westminster Abbey in London during their Royal Wedding ceremony on April 29, 2011. AFP PHOTO / WPA POOL/ Anthony Devlin

UNITED KINGDOM, London : Britain's Prince William (L) and his bride Kate Middleton seat at Westminster Abbey in London on April 29, 2011 during their wedding ceremony. AFP PHOTO / WPA POOL / Anthony Devlin

UNITED KINGDOM, London : Britain's Prince William (L) looks at his bride Kate Middleton during the Royal wedding ceremony at Westminster Abbey in London on April 29, 2011. AFP PHOTO / WPA POOL / Dominic Lipinski

UNITED KINGDOM, London : Prince William (L) and Kate Middleton (C) exchange rings in front of the Archbishop of Canterbury at Westminster Abbey, on April 29, 2011 in London AFP PHOTO/ POOL/ DOMINIC LIPINSKI

UNITED KINGDOM, London : The father of the bride Michael Middleton (R) lifts the veil of his daughter Kate Middleton (C) next to Britain's Prince William (L) during the Royal wedding ceremony at Westminster Abbey in London on April 29, 2011. AFP PHOTO / WPA POOL / Dominic Lipinski

UNITED KINGDOM, London : Kate Middleton (Center 2L) arrives with her father Michael Middleton (Center L) to join Prince William (center 3L) and Prince Harry in Westminster Abbey in London for the Royal Wedding of Britain's Prince William and Kate Middleton on April 29, 2011. AFP PHOTO / WPA POOL / Anthony Devlin

UNITED KINGDOM, London : Britain's Prince William (L) looks at his bride Kate Middleton (C) next to the father of the bride Michael Middleton at Westminster Abbey in London on April 29, 2011. AFP PHOTO / WPA POOL / Dominic Lipinski

UNITED KINGDOM, London : Kate Middleton smiles as she arrives at the West Door of Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / BEN STANSALL

UNITED KINGDOM, London : Kate Middleton waves as she arrives to the West Door of Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / ODD ANDERSEN

UNITED KINGDOM, London : Kate Middleton waves as she arrives with her father Michael Middleton and her sister Philippa Middleton to the West Door of Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / ODD ANDERSEN

UNITED KINGDOM, London : Philippa Middleton, sister of Kate Middleton and Maid of Honour (C) arrives with the bridemaids and page boys at the West Door of Westminster Abbey in London for the wedding her sister to Britain's Prince William, on April 29, 2011. AFP PHOTO / CARL DE SOUZA

UNITED KINGDOM, London : Kate Middleton arrives at the West Door of Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / ODD ANDERSEN

UNITED KINGDOM, London : Kate Middleton travels in a Rolls Royce Phantom VI, accompanied by her father Michael Middleton to Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / PIERRE-PHILIPPE MARCOU

UNITED KINGDOM, London : Kate Middleton travels in a Rolls Royce Phantom VI, accompanied by her father Michael Middleton to Westminster Abbey in London for her wedding to Britain's Prince William, on April 29, 2011. AFP PHOTO / MARTIN BUREAU

UNITED KINGDOM, London : Britain's Prince Charles travels to Westminster Abbey in London for the wedding of Britain's Prince William and Kate Middleton, on April 29, 2011. AFP PHOTO / MARTIN BUREAU

UNITED KINGDOM, London : Britain's Queen Elizabeth II arrives with Prince Philip, The Duke of Edinburgh at the West Door of Westminster Abbey in London for the wedding of Britain's Prince William and Kate Middleton, on April 29, 2011. AFP PHOTO / ODD ANDERSEN

UNITED KINGDOM, London : Britain's Prince William (C) and his brother and best man Prince Harry (L) are greeted by Receiver General Stephen Lamport as they arrive inside Westminster Abbey, London, on April 29, 2011, ahead of Prince William and Kate Middleton's wedding. AFP PHOTO / WPA POOL / Anthony Devlin

UNITED KINGDOM, London : Britain's Prince William (L) waves as he arrives with his brother Prince Harry at the West Door of Westminster Abbey for his wedding, in London on April 29, 2011. AFP PHOTO / ODD ANDERSEN

UNITED KINGDOM, London : Carole Middleton, the mother of Kate Middleton, waves as she arrives at the West Door of Westminster Abbey for the wedding of Britain’s Prince William and Kate Middleton in London on April 29, 2011. AFP PHOTO / ODD ANDERSEN

Military bands play in Parliament Square, on April 29, 2011, prior to the wedding of Prince William and Kate Middleton in London. AFP PHOTO

A military band perform as they march on the Mall, in central London, on the day of the royal wedding of Britain's Prince William and Kate Middleton, on April 29, 2011. AFP PHOTO

UNITED KINGDOM, London : Kate Middleton arrives at the Goring Hotel in central London on April 28, 2011 where she will be staying prior to the royal wedding. Britain's Prince William will marry his fiancee in London's Westminster Abbey on April 29, 2011. AFP PHOTO/CARL COURT

UNITED KINGDOM, London : Members of the Lifeguards Household Cavalry mounted regiment march near Buckingham palace, in London, on April 28, 2011. AFP PHOTO/JOE KLAMAR

UNITED KINGDOM, London : A member of the household division stands guard outside horseguards in London on 27 April, 2011. AFP PHOTO/JOE KLAMAR

UNITED KINGDOM, London : Britain's Queen Elizabeth II arrives at the Mandarin Oriental hotel for a gala dinner hosted by herself in London on April 28, 2011 on the eve of the Royal wedding. AFP PHOTO/PAUL ELLIS

UNITED KINGDOM, London : Britain's Prince Charles (R) and Camilla, Duchess of Cornwall arrive at the Mandarin Oriental hotel for a gala dinner hosted by Britain's Queen Elizabeth II in London on April 28, 2011 on the eve of the Royal wedding. AFP PHOTO/GLYN KIRK

UNITED KINGDOM, London : Spain's Queen Sofia waves at the Mandarin Oriental hotel for a gala dinner hosted by Britain's Queen Elizabeth II in London on April 28, 2011 on the eve of the Royal wedding. AFP PHOTO/PAUL ELLIS

UNITED KINGDOM, London : Larry, the 10 Downing Street cat, sits on a chair wearing a British Union Jack bow tie ahead of the Downing Street street party, in central London, on April 28, 2011. Downing Street will hold a street party on Friday to celebrate the royal wedding of Britain's Prince William and Kate Middleton at Westminster Abbey, on April 29, 2011. AFP PHOTO/BEN STANSALL/WPA POOL

AUSTRALIA, Sydney : Workers put the finishing touches onto a pair of coloured brick murals featuring the faces of Britain's Prince William and Catherine Middleton near Sydney on April 28, 2011. The two 100 metre square brick murals, which contain 8,300 bricks and 7,500 half bricks of different shades, will stay in place for three months to celebrate the royal wedding in London. AFP PHOTO / Torsten BLACKWOOD