Princess Anne was photographed by Norman Parkinson for her 21st Birthday, which were released on this day in 1971 (50 years ago), on the eve of her Birthday. Many of the Portraits were then included in the September Issue of British Vogue. 

#RoyalFlashback | Princess Anne’s iconic 21st Birthday Portraits taken by Norman Parkinson were released #OnThisDay… twitter.com/i/web/status/1…

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The Royal Watcher (@saadsalman719) August 14, 2021

Princess Anne was photographed wearing Princess Andrew’s Meander Tiara and a mystery Diamond Scroll Tiara by Norman Parkinson in front of a spectacular painting depicting a traditional English scene by Gordon Davis.

“I know my own heart to be entirely English.”  Princess Anne, pictured on her 21st birthday by Norman Parkinson https://t.co/1fFDk01AnO

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Mark W. (@DurhamWASP) February 01, 2020

Princess Anne photographed on her 21st birthday by Norman Parkinson, 1971. #royal https://t.co/lM4zELwd6Z

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Alex David (@alexdavidwriter) January 19, 2016

Happy belated birthday to Princess Anne. I adore this photo taken of her on her 21st birthday in 1971. (📷Norman Par… twitter.com/i/web/status/8…

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Katie (@katiesroyallove) August 15, 2017

Princess Anne, 1971. Photographed at Frogmore House to mark her 21st birthday. https://t.co/M3n1nEqjWv

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Emily Harris (@emharris33) August 12, 2020

Many of the outdoor portraits were taken by Norman Parkinson in and around the Gothic Ruin Summer House in the gardens of Frogmore House in Windsor, among them was the portrait that made the cover of British Vogue.

Princess Anne’s Tiaras | Top 7 Jewels | Princess Andrew’s Meander Tiara | Festoon Necklace | Modern Diamond Necklace | Turquoise Necklace

Norman Parkinson portraits of Princess Anne dating from 1969 to 1973. #PrincessRoyalAt70 #PrincessAnne https://t.co/FBrG4RITSG

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History, Royals and Other Things (@RoyalsOther) August 15, 2020

Norman Parkinson