When Kate opted for McQueen for her wedding gown, it sealed the choice as one of her favorite designers. Sarah Burton's designs are a major feature in Kate's wardrobe and the clothes come out for many special occasions, including Princess Charlotte's christening. alexandermcqueen.com

Alice Temperley founded her fashion house in 2006 and probably never dreamed of becoming a favorite of a future queen (and her sister - Pippa Middleton - is a fan of Temperley London too). When Kate wants a lacy day dress or a red carpet gown, she'll often look to Temperley London. temperleylondon.com

Although lauded for her bridal collections, it is the Jenny Packham evening gowns that find space in Kate Middleton's wardrobe. As well as gowns for red carpet events Kate has also worn maternity wear from Jenny Packham. jennypackham.com

I don't think anyone would argue that Kate's signature shoe is the nude pump. And her shoes of choice are from L K Bennett. Although she is faithful to her signature shoes, there's plenty of other L K Bennett's in other colors. lkbennett.com

Not one of the most well known names but when Kate chooses something from your store, you're guaranteed sales. When she sticks with you, it's special. Kate's most memorable outing in a Reiss dress was meeting the Obamas at Buckingham Palace in 2011. She obviously loves the classic lines of Reiss' coats and dresses. reiss.com

Even when Kate was just plain Katherine Middleton, student at St. Andrews university, she was a Mulberry fan. Her love started with bags to carry around all those study books and now extends to the whole range, especially classic English garden dresses. Naturally, she still loves Mulberry bags. mulberry.com