Queen Gets Best Birthday Present as Philip Joins Celebrations

Royal Birthday in London

. AFP PHOTO/Leon Neal (Photo credit should read LEON NEAL/AFP/GettyImages) — Queen Elizabeth II and Prince Philip watch the troops ride past outside Buckingham Palace following the Queen's Birthday Parade, 'Trooping the Colour' at Horse Guards Parade in London on June 16, 2012. The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. In 1748, it was decided that the parade would be used to mark the official birthday of the Sovereign. More than 600 guardsmen and cavalry make up the parade, a celebration of the Sovereign's official birthday, although the Queen's actual birthday is on 21 April (Leon Neal / AFP / Getty Images)

Despite looking a little on the frail side, Prince Philip joined the annual celebrations in London today known as "Trooping the Color" to celebrate the Queen's official birthday.

Prince Harry (L), the Duchess of Cornwall (C) and the Duchess of Cambridge (R) return to Buckingham Palace following the Queen's Birthday Parade, 'Trooping the Colour' at Horse Guards Parade in London on June 16, 2012. The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. In 1748, it was decided that the parade would be used to mark the official birthday of the Sovereign. More than 600 guardsmen and cavalry make up the parade, a celebration of the Sovereign's official birthday, although the Queen's actual birthday is on 21 April. AFP PHOTO/Leon Neal (Photo credit should read LEON NEAL/AFP/GettyImages) — LEON NEAL

The Duchess of Cambridge wore a chic silver-grey Erdem dress and daring Jane Corbett hat.

Britain's Queen Elizabeth II arrives to Buckingham Palace after the Queen's Birthday Parade, 'Trooping the Colour' at Horse Guards Parade in London on June 16, 2012. The ceremony of Trooping the Colour is believed to have first been performed during the reign of King Charles II. In 1748, it was decided that the parade would be used to mark the official birthday of the Sovereign. More than 600 guardsmen and cavalry make up the parade, a celebration of the Sovereign's official birthday, although the Queen's actual birthday is on 21 April. AFP PHOTO / TAL COHEN (Photo credit should read TAL COHEN/AFP/GettyImages) — Britain's Queen Elizabeth II arrives to Buckingham Palace after the Queen's Birthday Parade (Tal Cohen / AFP / Getty Images)

LONDON, ENGLAND - JUNE 16: Prince Harry leaves Buckingham Palace for the Trooping the Colour ceremony at the Horse Guards Parade on June 16, 2012 in London, England. The annual ceremony, made up of more than 600 guardsmen and cavalry, is believed to have first been performed during the reign of King Charles II. The parade marked the official birthday of the Sovereign, even though the Queen's actual birthday is on April 21st. (Photo by Dan Kitwood/Getty Images) — Prince Harry (Dan Kitwood / Getty Images)

LONDON, ENGLAND - JUNE 16: Queen Elizabeth II gestures as it begins to rain, as she accompanied by Prince Philip, Duke of Edinburgh, and members of the Royal Family on the balcony of Buckingham Palace after the Trooping the Colour ceremony and the Horse Guards Parade on June 16, 2012 in London, England. The annual ceremony, made up of more than 600 guardsmen and cavalry, is believed to have first been performed during the reign of King Charles II. The parade marked the official birthday of the Sovereign, even though the Queen's actual birthday is on April 21st. (Photo by Dan Kitwood/Getty Images) — Queen Elizabeth II gestures and Charles looks skywards as it begins to rain, on the balcony of Buckingham Palace (Dan Kitwood / Getty Images)

1,600 officers and soldiers in the traditional uniforms of the Household Cavalry, Royal Horse Artillery and Foot Guards took part in the magnificent parade in central London, to record crowds, evidence of a Jubilee spike in the monarchy's popularity.