Queen Elizabeth II spent seven decades on the throne after becoming a British monarch at 25.

On the throne for 70 years and 214 days, she holds the longest reign of any monarch in British history and the second longest of any monarch in the world.

Having been in the public eye since a child, it's no doubt that fashion was important to the Queen.

With Her Majesty's reign coming to an end with her death on Sept. 8, Yahoo Canada is taking a look at some of Queen Elizabeth II's most iconic fashion moments, including some of the best looks she wore on her several official visits to Canada.

Despite getting secretly engaged in 1946, the future Queen Elizabeth II — then known as Princess Elizabeth — is pictured here during her official engagement announcement in July 1947. Standing in the state apartments at Buckingham Palace, Her Majesty wore a simple lilac dress that had several matching ribbons along with a double strand pearl necklace.

The Queen (then Princess Elizabeth) and Prince Philip, Duke of Edinburgh, at Buckingham Palace after their wedding at Westminster Abbey in 1947. She wore a satin bridal dress designed by Norman Hartnell, which featured a heart-shaped neckline, long sleeves and a 4-metre fan-shaped train with intricate floral designs.

For her first royal visit to Canada in 1951, the Queen was still known as Princess Elizabeth, Duchess of Edinburgh. On Oct. 11 of that year, she took part in an old-fashioned square dance at Rideau Hall in Ottawa where she wore a country dress featuring a gingham top and plain skirt decorated in branches, figures and hearts.

Queen Elizabeth II returned to Canada for a royal visit in 1957, where she opened the 23rd Canadian Parliament in Ottawa. During that ceremony on Oct. 14, she wore her white silk satin Coronation gown that featured short sleeves, a sweetheart neckline and intricate embroidery. The Queen paired her extravagant dress with a shiny tiara, teardrop-shaped earrings and long white gloves.

Norman Hartnell’s “Maple Leaf of Canada dress,” with green velvet Canadian maples leaves mingled with white roses, was worn on this day in 1957 by Queen Elizabeth II to a state banquet at Rideau Hall in Ottawa. #cdnpoli #cdnhist #cdncrown pic.twitter.com/3ZzfdcG6IL

— Canadian Crown 🇨🇦 (@Canadian_Crown) October 14, 2021

That same day in 1957, Queen Elizabeth II wore a gown created by British fashion designer Norman Hartnell called the "Maple Leaf of Canada" dress. Worn for a banquet at Ottawa's Rideau Hall, the simple white was decorated with green velvet Canadian maple leaves and white roses.

During her visit to Canada in 1976, Queen Elizabeth ll wore a tiara given to her by her grandmother, Queen Mary, for a formal event. Known as "Granny's Tiara," the Queen wore the headpiece with a green and white sleeveless gown that featured a scallop pattern, pairing the look with long white gloves and a shiny silver handbag. She also wore a matching green and silver jewelry set.

When the 1976 Olympics were held in Montreal, Queen Elizabeth II opened the summer games. In this photo, taken on July 17 at the Olympic Stadium, the Queen wore a long pink coat created by English fashion designer Hardy Amies. She paired it with a matching hat that featured a bundle of drooping pink tulips, along with short white gloves and her signature three-string pearl necklace.

The Trooping of the Colour ceremony was one of Queen Elizabeth II's favourites, and dressing up in the ceremonial outfit was part of the event. The traditional outfit requires soldiers wear a red tunic, dark pants and a bearskin hat. In June 1979, the Queen fit right in during the ceremony in London, England, where she's seen in this photo riding a Saskatchewan-born mare named Burmese, gifted to her by the RCMP in 1969.

Queen Elizabeth II's final official tour of Canada took place in 2010, where she started her eight-day visit in Halifax. During a reception for "A Celebration of Nova Scotia," she wore a pastel yellow outfit consisting of a long ruffled skirt and a patterned buttoned jacket that featured beading by Mi'kmaq women. The Queen paired her outfit with white gloves, a black handbag, black short heels with ribbons and a brooch made of six red maple leaves.

On her eight-day tour of Canada in 2010, Queen Elizabeth II wore a fitting red and white outfit in Ottawa during Canada Day celebrations on Ottawa's Parliament Hill. On the July 1 holiday, the Queen wore a long red buttoned jacket and a white hat featuring a large red flower on its brim. Her Majesty also added a pair of white gloves, a black handbag and a silver maple leaf brooch.

During an official dinner hosted by the Canadian government in her honour, Queen Elizabeth II wore a white recycled gown featuring intricate embroidery and Swarovski crystal maple leaves encrusted on the right shoulder and sleeve. On top of the elegant gown, the Queen wore her shining "Granny's Tiara," white gloves and a metallic silver handbag.

Before heading to the United States, Queen Elizabeth II wrapped her 2010 visit to Canada in Toronto. Here, she's leaving City Hall wearing a pink and green floral dress paired with a matching pink hat that had a floral piece on its centre. She paired the look with a white handbag, white shoes and white gloves.

During her Diamond Jubilee in 2012, Queen Elizabeth II unveiled a new portrait — Canada's third official commissioned portrait of Her Majesty — at Buckingham Palace. For the event, Queen Elizabeth II wore a blue and white long-sleeve floral dress, along with black shoes, a black handbag and her three-string pearl necklace. In the portrait, painted by Canadian artist Phil Richards, the Queen wore a long white gown, a shining silver tiara and two Canadian insignia.

Yesterday, the Government of Canada released a new official portrait of Her Majesty The Queen of Canada 🇨🇦 for use in public buildings. Taken at Windsor Castle, Her Majesty is wearing her Order of Canada & the Order of Military Merit insignia. https://t.co/8lm4obMsb6 #cdnpoli pic.twitter.com/h5zdKbEAOF

— Canadian Crown 🇨🇦 (@Canadian_Crown) October 17, 2021

The Government of Canada released a new official portrait of Queen Elizabeth II on Oct. 16, 2020. In the shot, which was taken at Windsor Castle in March 2019, the Queen wore a simple white gown with floral detailing, along with a matching blue and silver tiara and necklace. To match, the Queen wore two Canadian insignia, the Order of Canada and the Order of Military Merit, as ribbons.

Two weeks after Buckingham Palace reported Queen Elizabeth II had COVID-19, Her Majesty made her first in-person appearance at Windsor Castle on March 7, 2022 to receive Canadian Prime Minister Justin Trudeau. Standing in front of a bouquet of yellow and blue flowers, the Queen also wore a blue, green, yellow and white dress, which some people believe was a subtle "message for Ukraine."

In her final engagement ensemble on Sept. 6, Queen Elizabeth II wore a tartan skirt — paying homage to Scotland — while waiting in the drawing room of Balmoral Castle for the United Kingdom's newly elected leader, Liz Truss. The Queen paired the long pleated skirt with a coordinating blouse and knitted cardigan, along with her signature three-string pearl necklace.

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