Here's What Went Down At The Queen's 90th Birthday Celebrations This Weekend

The Duke and Duchess of Cambridge with their children, Princess Charlotte and Prince George.

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Queen's 90th Birthday Celebrations In Pictures

The Queen and Prince Philip.

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Queen's 90th Birthday Celebrations In Pictures

The Duchess of Cambridge, Princess Charlotte and Prince George.

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Queen's 90th Birthday Celebrations In Pictures

The Duchess of Cambridge, Prince Harry, Princess Charlotte and Prince George.

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Queen's 90th Birthday Celebrations In Pictures

The Trooping the Colour parade.

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Queen's 90th Birthday Celebrations In Pictures

The Queen arrives in an open-top carriage for the annual Trooping the Colour parade on her official 90th birthday.

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Queen's 90th Birthday Celebrations In Pictures

The Duchess of Cornwall and the Duchess of Cambridge opted for matching white.

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Queen's 90th Birthday Celebrations In Pictures

Members of the Scots Guards march past Buckingham Palace ahead of the Queen's Birthday Parade.

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Queen's 90th Birthday Celebrations In Pictures

Prince Philip and the Queen - in a lemon yellow Angela Kelly outfit - wave to onlookers outside St Paul's Cathedral in London.

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Queen's 90th Birthday Celebrations In Pictures

Prince Harry arrives with the Duke and Duchess of Cambridge arrive for the ceremony of thanksgiving in celebration of the Queen's 90th birthday.

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Queen's 90th Birthday Celebrations In Pictures

Princesses Eugenie and Beatrice, in red and monochrome respectively.

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Queen's 90th Birthday Celebrations In Pictures

The Duke and Duchess of Cambridge and Prince Harry walk to their seats.

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Queen's 90th Birthday Celebrations In Pictures

Kate paired her powder blue Catherine Walker dress coat with nude heels and a Jane Taylor headpiece.

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Queen's 90th Birthday Celebrations In Pictures

The Queen is greeted by officials at the cathedral.

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Queen's 90th Birthday Celebrations In Pictures

Prince Charles and the Duchess of Cornwall

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Queen's 90th Birthday Celebrations In Pictures

Prime Minister David Cameron and wife Samantha Cameron (in an LK Bennett dress) with George Osborne.

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Queen's 90th Birthday Celebrations In Pictures

Amelia Windsor, granddaughter of the Duke of Kent

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Queen's 90th Birthday Celebrations In Pictures

James Viscount Severn and Lady Louise Windsor

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Queen's 90th Birthday Celebrations In Pictures

The Queen and Prince Philip walk through the congregation.

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Queen's 90th Birthday Celebrations In Pictures

Inside the cathedral during the service.

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Queen's 90th Birthday Celebrations In Pictures

David Attenborough, who also turned 90 this year, performs a reading during the service.

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Queen's 90th Birthday Celebrations In Pictures

The Duchess of Cambridge.

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Queen's 90th Birthday Celebrations In Pictures

Sophie, Countess of Wessex.

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Queen's 90th Birthday Celebrations In Pictures

Mike and Zara Tindall.

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Queen's 90th Birthday Celebrations In Pictures

Princess Anne takes her seat inside the cathedral.

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Queen's 90th Birthday Celebrations In Pictures

Mayor of London Sadiq Khan with his wife Saadiya Khan

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Queen's 90th Birthday Celebrations In Pictures

Tony and Cherie Blair.

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Queen's 90th Birthday Celebrations In Pictures

Former Prime Minister John Major and wife Norma Major

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Queen's 90th Birthday Celebrations In Pictures

The Camerons make their entrance to the cathedral.

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Queen's 90th Birthday Celebrations In Pictures

A group of Chelsea Pensioners arrive for the service.

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Queen's 90th Birthday Celebrations In Pictures

Crowds gather outside the cathedral ahead of the thanksgiving ceremony.

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Queen's 90th Birthday Celebrations In Pictures

Annie Leibovitz took this official photograph of Queen Elizabeth II and Prince Philip to mark her 90th birthday

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Queen's 90th Birthday Celebrations In Pictures

Official mugs to celebrate the Queen's birthday

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Queen's 90th Birthday Celebrations In Pictures

Union Jack flags on Regent Street ahead of the Queen's 90th birthday celebrations

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Queen's 90th Birthday Celebrations In Pictures

Annie Leibovitz took a series of photographs to mark the Queen's birthday. Here she is with her great grandchildren and youngest grandchildren. From left to right: James, Viscount Severn, Lady Louise Alice Elizabeth Mary Mountbatten-Windsor, Mia Tindall, the Queen, Princess Charlotte, Savannah Phillips, Prince George and Isla Phillips.

Photo: Annie Leibovitz

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Queen's 90th Birthday Celebrations In Pictures

The Queen with her three heirs, Prince Charles, Prince William and Prince George. The photograph was made into a series of commemorative stamps.

Photo: Royal Mail

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Queen's 90th Birthday Celebrations In Pictures

The Queen with her only daughter Princess Anne.

Photo: Annie Leibovitz

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Queen's 90th Birthday Celebrations In Pictures

The Queen with her beloved corgis.

Photo: Annie Leibovitz

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Queen's 90th Birthday Celebrations In Pictures

The royal family gather on the balcony at Buckingham Palace to watch the RAF fly-past.

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Queen's 90th Birthday Celebrations In Pictures

The Queen and Prince Philip.

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Queen's 90th Birthday Celebrations In Pictures