Hundreds of people queued up outside the Capitals new shopping centre, with some people arriving as early as 3am on Thursday, to be first into the new build.
Doors opened to the public at 9am and the centre has been a bustling hive of activity since.
Here are 13 pictures giving you a glimpse inside the impressive St James Quarter on its opening day.
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5. Shopping experience
The futuristic, digitally-led shopping experience is described as like no other in the country. Photo: John Devlin
6. The New Lego Store
Archie Stewart, 7, from Edinburgh puts the finishing touches to a Lego Pirate in Scotland's first Lego Store. Photo: Andrew O'Brien
7. Food on offer
Krispy Kreme was one of the first food vendors to open at St James today. The Bonnie and Wild Food Hall will come over the next few weeks Photo: John Devlin
8. Momentous occasion for Edinburgh
Martin Perry, director of development for St James Quarter, said the opening was a "momentous occasion for the city of Edinburgh" adding, "This is just the beginning." Photo: John Devlin