When it comes to royal dress code, Princess Diana was the queen of glamour.
The late princess debuted many iconic looks through the years (who could forget that head-turning red Christian Lacroix dress?), and now some of her most famous looks will go on display next month in a new fashion exhibit at her former home, Kensington Palace.
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The exhibit, which opens February 11, includes a few Catherine Walker pieces – one of Diana s favorite designers – such as the bottle green velvet gown she wore during a photo shoot with Mario Testino in 1992 and the one-shouldered blue dress with gold rope detailing that was created for her in 1990.
The design house is “always delighted to support Royal Historic Palaces, Laura Carpenter, head of operations at Catherine Walker & Co., tells PEOPLE.
Also featured is a black velvet long sleeved Bruce Oldfield dress worn to a performance of Les Miserables in 1985, a pale pink off the shoulder Catherine Walker dress worn to a performance of La Boheme, a green gown by the same designer she wore to a banquet at the Dorchester Hotel in 1993 and a black velvet and tartan evening dress designed for a night of Scottish dancing at Balmoral Castle, where the royal family vacation in the summer months.
The exhibit is the latest Fashion Rules event. A July 2013 exhibition included the princess’s blue Jacques Azagury dress, which was bought for $26,450 at the Christie’s of New York auction Diana held shortly before her tragic death in 1997. The iconic dress was on loan from PEOPLE.
The exhibit will also offer a chance to see some of the Queen’s formal dresses, including designs from Norman Hartnell and Hardy Amies.
As for the collection from the Queen’s late sister, Princess Margaret, who lived in the same Apartment 1a that William and Kate now occupy with Prince George and Princess Charlotte, there are silk scarves, sunglasses and a candy-striped dress created for her in the 1940s by royal couturier Hartnell.