Trench Coat
Middleton donned a classic trench with a feminine ruffled hem on a recent visit to Northern Ireland with Prince William.
Get the look: Bebe Eyelet Trench Coat ($149, bebe.com)
Middleton donned a classic trench with a feminine ruffled hem on a recent visit to Northern Ireland with Prince William.
Get the look: Bebe Eyelet Trench Coat ($149, bebe.com)
The princess-to-be wore this now infamous figure-flattering Issa dress at her official engagement announcement on Nov. 16.
Get the look: Chica Pepita Navy Dress ($140, chicaboutiqueonline.com)
While watching Prince William and Prince Harry play polo in England, Middleton wore wedge heels and carried a chic camel-colored leather tote bag.
Get the look: Steve Madden P-Quesst ($59.99, famousfootwear.com) & Etienne Saddle Audrey Tote ($69.99, famousfootwear.com)
Stunning! Middleton wore this sexy coral-colored Issa gown to a charity boxing ball in 2008.
Get the look: Nicole Miller Stretch CDC Gown ($575, nicolemiller.com)
Whether she's wearing a ladylike floral-print chiffon dress or a bold cobalt blue one, Middleton typically accessorizes with classic black pumps.
Get the look: Fergalicious Utopia pumps ($39.99, famousfootwear.com)
At another polo match in England, Middleton went for a structured black leather jacket and dark blue jeans.
Get the look: ASOS PU Bomber ($35.86, us.asos.com) and Gap Always Skinny Jeans in dark wash ($69.50, gap.com)
At a New Year's celebration, Middleton rocked a sparkly black mini dress with flat suede boots.
Get the look: Rolando Santana "Katie" Sheath Mini Dress ($154.99, bluefly.com)
White is one of Middleton's go-to colors (she's been photographed in a white mini and a white bikini). At a 2006 charity polo match, she paired white boot cut jeans with a white top and beige cardigan.
Get the look: Express Boot Cut Stella Jeans ($69.90, express.com)
Sleek boots are another one of Middleton's style essentials. Here, she wears them with a red suit during a visit to the University of St Andrews earlier this year.
Get the look: Fergalicious Prestige boots ($44.99, famousfootwear.com)
Middleton wore this green-and-black floral-print dress during a 2006 stroll in London.
Get the look: What Comes Around Goes Around jade floral dress ($139.99, bluefly.com)
While out and about in 2006, Middleton wore a summery sleeveless white lace top with a knee-length red patterned skirt.
Get the look: Topshop White Broderie Lace Trim Vest ($55, ustopshop.com)
Middleton showed off her slim physique in black skinny jeans, a fitted black blazer and a sexy red tank top while walking in London.
Get the look: Silence & Noise Perfect Blazer ($78, urbanoutfitters.com) & Lucky Brand Classic Rib Tank ($4.97, luckybrand.com)
Middleton is a big fan of flat boots, wearing them with everything from dresses to jeans. At the Badminton Horse Trials in 2007, she sported a slouchy suede version.
Get the look: Steve Madden P-Tiaa boots ($69.99, famousfootwear.com)
Middleton mixes comfort with style by pairing a black-and-white cocktail dress with a simple pair of ballet flats.
Get the look: Dr. Scholl's Scholar flats ($49.99, famousfootwear.com)