View Gallery
65 Slides
Advertisement - Continue Reading Below
11940

In a patterned dress and wrist watch in the schoolroom at Windsor Castle at the age of 10 years old.
Advertisement - Continue Reading Below
21941
Lisa Sheridan//Getty ImagesWearing matching outfits with her older sister Elizabeth for a portrait with the Queen Mother in the grounds of Windsor Castle.
Advertisement - Continue Reading Below
31940s
In a floral print dress, layered pearl necklaces, and red suede shoes for an official portrait.
Advertisement - Continue Reading Below
41940s
In a full equestrian look while horseback riding as a young teenager.
Advertisement - Continue Reading Below
51943
In costume for a production of Aladdin at Windsor Castle.
Advertisement - Continue Reading Below
61947
Getty ImagesPhotographed with King George VI and older sister Princesses Elizabeth (now Queen Elizabeth II) during an excursion in the Royal Natal National Park in South Africa. Margaret wears a buttoned dress with a belt cinched at the waist.
Advertisement - Continue Reading Below
71940s
Posing for an official royal portrait in a floor-length ball gown with flower detailing and her signature layered pearl necklaces.
Advertisement - Continue Reading Below
81949
Bettmann//Getty ImagesIn a pink and white polka dot dress, white opera gloves, and a matching flower hat while visiting the Women's Resident Training College.
Advertisement - Continue Reading Below
91949
Getty ImagesIn a floor-length gown with floral embellishments, pearl necklaces, and white gloves at Regents Park.
Advertisement - Continue Reading Below
101949
Wearing a fur-trim coat, pleated skirt, and feathered hat while being greeted by the Cadet Guard of Honor in Bristol.
Advertisement - Continue Reading Below
111949
Bettmann//Getty ImagesIn a pale pink ball gown and strands of pearls for a portrait.
Advertisement - Continue Reading Below
121940s
Attending a royal engagement in a wide-brimmed hat, patterned dress, pearl necklaces, and white gloves.
Advertisement - Continue Reading Below
131949
In a feathered hat, fur coat, black gloves, and midi dress out in London.
Advertisement - Continue Reading Below
141949
Arriving to an airport in London in a skirt suit, matching hat, and white accessories.
Advertisement - Continue Reading Below
151950
In a wide-brimmed hat, opera gloves, and a vested dress at St. Peter's Church in London.
Advertisement - Continue Reading Below
161951
In a white fur coat, white gloves, and a jewel-encrusted gown at the premiere of Captain Horatio Hornblower at the Warner Theatre Leicester Square.
Advertisement - Continue Reading Below
171951
In an off-the-shoulder ball gown cinched at the waist for a sitting royal portrait.
Advertisement - Continue Reading Below
181951
Getty ImagesAttending the traditional Drum Castle Pageant in a checked blazer and pleated skirt.
Advertisement - Continue Reading Below
191953
Getty ImagesIn a silk ballgown and opera gloves at the premiere of Hamlet at Leicester Square in London.
Advertisement - Continue Reading Below
201953
In a white cap and skirt suit on a train at Southampton station.

Jennifer Algoo is the Visuals Director at Harper's BAZAAR. She is a graduate of the School of Visual Arts and has previously worked at Patrick McMullan Co. as well as completing internships at Martha Stewart Weddings, Vogue and CosmoGirl! Magazine. Jennifer covers royal, celeb and art content as well as overseeing all visual assets on BAZAAR.com. When she's not obsessing over the royals you can find her attempting to solve cold cases as an armchair detective, traveling and experimenting with new recipes.

Lauren Alexis Fisher is the Senior Editor at Cosmopolitan, overseeing digital content across fashion, lifestyle, beauty, sex, and culture. Previously, she was the Market Editor at Harper’s BAZAAR and has written for publications including WWD, Bustle, and W Magazine. When she’s not busy taste-testing her way through every dirty martini in New York, you can follow her on Instagram for bad jokes, good outfits, and annoying vacation pics.
Advertisement - Continue Reading Below
Advertisement - Continue Reading Below
Advertisement - Continue Reading Below
ncG1vNJzZmivp6x7qa3RqZyrq5KWx6Kt0WeaqKVfmMKtwNSrnGielZbBtr7ErGagcGFlg3C80aKlnJ2jqHqurdGgmKudpGLAtcXLnmY%3D