The annual Trooping The Colour ceremony will take place in London on Saturday with all senior royals led by Her Majesty The Queen expected to be in attendance.
WATCH to see soldiers rehearsing ahead of Saturday's annual event in London!
The British military occasion, which dates back to the 17th century, involves infantry troops marching slowly with their colours to distinguish one regiment from another.
Since 1748, Trooping The Colour takes place on the same day as the official birthday of the British monarch, which has been Queen Elizabeth II since 1952.
The event is held every year on a Saturday in June at Horse Guards Parade by St James' Park in the British capital, with members of the royal family, invited guests and the general public watching on.
The ceremony is broadcast live by the BBC in the UK, and is also shown on television in Belgium and Germany.
Since 2018, the Associated Press has provided a live stream to viewers across the world on the Time magazine YouTube and Facebook pages, so Australians can tune in to watch the 2019 Trooping The Colour this weekend!
Each year, The Queen travels down the Mall from Buckingham Palace in a royal procession led by the sovereign escort of Household Cavalry (aka mounted troops or horse guards).
After receiving a royal salute, Her Majesty inspects troops and the Royal Horse Artillery, selecting one guard to 'troop its colour' through the ranks.
The Queen returns to Buckingham Palace to watch another march outside the gates, and once a 41-gun salute has been heard to signal the end of the birthday parade, Queen Elizabeth leads the British royal family on to the balcony of Buckingham Palace for a Royal Air Force flypast.
New Idea takes you through the best moments of England's royal family from Trooping The Colour throughout the years!
Cheeky Prince George
Toddler George stayed with his Spanish nanny Maria Teresa Turrion Borrallo to watch some of the proceedings for the first time from a nearby window, and the baby Prince delighted royal fan watchers by cheekily sticking his tongue out for the cameras.
The pregnant Princess
A radiant Diana, Princess of Wales, appeared on the balcony of Buckingham Palace beside her father-in-law Prince Philip in June 1982 while heavily pregnant with her first child with Prince Charles.
Meghan Markle's debut
The newly minted royal looked resplendent in a dusty pink Carolina Herrera dress and matching hat as the young royal couple made their first public appearance since returning from their honeymoon.
Meghan also shared a sweet moment with her new sister-in-law the Duchess of Cambridge on the balcony of Buckingham Palace.
Princess Charlotte's tantrum
In 2018, Princess Charlotte took her place with the royal family for Trooping The Colour.
But the Cambridge's daughter looked less than impress with the occasion, and had to be comforted by mum Kate Middleton while her aunt and uncle Meghan Markle and Prince Harry tried not to giggle.
The bossy big cousin
In 2018, Prince George was put in his place by his big cousin Savannah Phillips, daughter of Princess Anne's son Peter and his Canadian wife Autumn.
Savannah shushed the future King during the RAF flypast before cupping her hand over his mouth.
The hilarious scene delighted fans and made international headlines, but the Duke of Cambridge looked less than impressed at their antics.
Camilla and Kate's sweet journey
In 2018, Camilla, Duchess of Cornwall travelled with her step daughter-in-law the Duchess of Cambridge to the Queen's annual birthday parade.
The wives of Windsor wore matching mint coloured ensembles, with Kate - who had given birth to her third child Prince Louis less than two months previously - wearing a stylish dress by her favourite designer Alexander McQueen and a hat by Juliette Botterill.
Trooping The Colour 2019 takes place on Saturday, June 8 at 7pm EAT.