The Duke of Cambridge, 39, looked incredibly smart in his red and blue military uniform, which he teamed with the traditional bearskin hat.
On his chest he proudly displayed a myriad of gleaming medals as he went through the practice session, which is known as the Colonel’s Review.
The Queen’s birthday on June 2 sees her Household Division troops march and ride on Horse Guards Parade, with Her Majesty usually attending and taking the salute.
But this year, the Prince of Wales, the Duke of Cambridge and the Princess Royal will ride on the parade as colonels of the Welsh Guards, the Irish Guards and the Blues and Royals.
Only William was seen at the run-through today, which went without a hitch – unlike last week.
Prince William rose early to take part in the important rehearsal of the important Queen’s birthday parade in London
The Duke of Cambridge, 39, looked incredibly smart in his red and blue military uniform and black bearskin hat
The famous salute at the real Trooping the Colour is usually performed by the Queen but William has stepped in this year
Prince William, Duke of Cambridge salutes as he rides a horse across the parade ground during the Colonel’s Review at Horse Guards Parade
Prince William looked very serious at the rehearsal of the prestigious military birthday event in London for the Queen
The Colonel’s Review is identical to Trooping the Colour, the Queen’s annual birthday parade, which she will not be at
By sheer coincidence, William’s brother Harry was on horseback yesterday playing a polo match for his team in America
Two people had to be rushed to a major trauma hospital and three others needed treatment from paramedics after a stand collapsed at the Trooping the Colour rehearsal on May 21.
The ‘terrifying’ incident took place in front of a crowd of ‘shocked’ onlookers who had gathered to watch the event in Horse Guard Parade, London, at around 11am.
Witnesses reported part of the stand collapsed, causing at least one person to fall through into the area below.
Part of the stand was evacuated following the incident, and two people have been taken to hospital by London Ambulance and St John Ambulance for treatment.
Three other people who were hurt in the incident were treated at the scene and discharged without needing hospital treatment.
Last week it was revealed the Queen would not take the royal salute at the Trooping the Colour for the first time in 70 years.
The Queen will not take the royal salute at the Trooping the Colour for the first time in 70 years as she continues to delegate responsibility to senior members of The Firm. She is pictured on the balcony of Buckingham Place during the ceremony in 2019
The news comes as the 96-year-old monarch continues to entrust members of the Royal Family with increased responsibilities as she faces ‘episodic mobility problems’
This year, the Prince of Wales, the Duke of Cambridge and the Princess Royal will ride on the parade as colonels of the Welsh Guards, the Irish Guards and the Blues and Royals.
The news comes as the 96-year-old monarch continues to entrust members of the Royal Family with increased responsibilities as she faces ‘episodic mobility problems’.
Earlier this month, Her Majesty missed the State Opening of Parliament for the first time in 59 years, with Prince Charles and Prince William given power to jointly act at the event on the Queen’s behalf.
She has though made three recent public outings this month, including attending the Windsor Horse Show, star-studded Platinum Jubilee celebrations in Windsor and the opening of the Elizabeth Tube line, appearing in good spirits at all of them.
Her Majesty has always been present at the Horse Guards Parade and has taken the royal salute at every Trooping the Colour ceremony during her reign.
Traditionally during the ceremony following the Horse Guards Parade, the Queen is greeted by a royal salute before carrying out an inspection of the troops.
From her first appearance at the annual Trooping the Colour to 1986, the monarch would attend the ceremony on horseback (Pictured during one of her early ceremonies)
The monarch has limited the Trooping The Colour balcony appearance to working members of her family, with the Duke of York and Duke and Duchess of Sussex missing out
According to the publication, one option being considered by Palace officials is Her Majesty travelling by carriage from Buckingham Palace to briefly inspect troops before making an appearance on the balcony.
Alternatively, Her Majesty may only only appear on the balcony after the duration of the ceremony.
Following Trooping the Colour, 18 family members will be on the balcony: The Queen; Charles and Camilla; William and Kate with George, Charlotte and Louis; Edward and Sophie and their children Louise and James; Princess Anne and Vice Admiral Sir Tim Laurence; the Duke and Duchess of Gloucester; the Duke of Kent and Princess Alexandra.
Prince Harry and Meghan Markle, Prince Andrew and Prince Andrew’s daughters, Beatrice and Eugenie, will not join the royal family there.
Harry, Meghan and their children will attend the celebrations, but it is not known at which elements of the four-day Jubilee weekend they could make an appearance.
The balcony appearance, which is often seen as the centre-piece of major royal occasions, including Trooping the Colour and weddings, usually sees the Queen’s extended family gather to watch a fly-past and is a rare chance for fans to see the entire extended family together.
In paring the list down to just 16 people to avoid potential diplomatic pitfalls, the Queen has been forced to omit a number of well-liked family members including her much-loved grandchildren and their families.