Built in the late 18th century during the reign of King George III, Princes Street was part of the new section of Edinburgh and was named for the King's sons after its original name – St Giles Street – was rejected.
Today, it is the main shopping street in the Capital.
Take a look through our photo gallery to see just how much the Capital's most famous street has changed down the decades.
. Woolworths
The Woolworths on Princes Street survived until 1984, when the company’s new owners Paternoster (later Kingfisher) decided to close a number of the larger stores around the UK. Photo: Photo: TSPL
. Horses and carts
In this old picture of Princes Street, there's no trams, buses or cars - instead you can see horses and carts. Photo: Photo: TSPL
. Princes Street Station interior
Originally built in the 1870s, and later greatly expanded and redeveloped, Princes Street Station was one of Scotland’s largest and most magnificent railway terminals. Photo: Photo: TSPL
9. The Life Association of Scotland Ltd
The Life Association building echoed the finest architecture of the Renaissance-era; a true palazzo for Princes Street with its variety of elaborate window bays and cornices, beautifully-fashioned sculptures, and stunning supporting pillars styled in each of the three ancient orders Photo: Photo: TSPL
10. Princes Street 1955
These days it's a lot less busy, but Princes Street used to be a haven for shoppers. Here we see a packed Princes Street in 1955. Photo: Photo: Lost Edinburgh
11. Swinging Sixties
A photograph of Princes Street in the 60s show the fashion and cars of the period. Photo: Photo: TSPL
12. The Palace Hotel
The Palace Hotel fire started on the evening of June 9 1991 after youths managed to break in to the building which was lying empty at the time. Picture: Janet Dalgleish Photo: Photo: TSPL