Kate Middleton is not yet 30, but already she has conquered the world. Well, not quite, but she has conquered the fashion world with her impeccable sense of style, grace, and poise.

Kate's rise to fame began years ago when the once-upon-a-time 'girl next door' and art history major married Price William of Wales. William, arguably one of the most famous members of the British Royal family, and Kate married in the Royal Wedding of the century on April 29, 2011.

On the day of her wedding, Kate wore not one but two wedding dresses, both designed by Sarah Burton for Alexander McQueen.

The first of the two has become iconic in its own right, spawning replicas across the globe. One bride even designed a dress after Kate's made from 5,000 balloons.

The dress Kate donned for her marriage to Prince William became a timeless masterpiece, shining light on not only Kate, but Burton as well. The impeccably made dress is made from French Chantilly lace and English Cluny lace. The bottom of the dress (from the waist down) and the train were made from ivory and white satin gazar. The train measured nearly 9 feet long.

Currently, Kate's wedding dress and accessories are on display at Buckingham Palace.

The second of the two wedding dresses was more simplistic, but stunning all the same. After the main event, Kate wore a strapless satin gazar evening dress, with a diamante embroidered detailed waistband.

But, Kate wasn't the only one getting attention on the day of her wedding. A typical rule of thumb for any wedding is the bridesmaid should never outshine the bride. But Kate's sister Pippa Middleton gained an unexpected amount of traffic from her classic and simple white bridesmaid frock.
The dress, and Pippa's rear view in it, garnered her recognition on Facebook with a '[Behind] Appreciation Society.'

And not surprisingly, designers have caught on to the 'Pippa trend' and have made replicas of her bridesmaid dress.

Debenhams, a UK retailer, just released a more affordable version of Pippa's dress, due out later this year.

"The ivory dress worn by Pippa is the most requested by far," said Alain Mehada, chief personal shopper at the Debenhams Oxford Street store.

But the Middleton fashion-frenzy didn't stop at the wedding. The sisters create a whirlwind of media press and fashion appreciation wherever they trot, including Kate's July trip to North America.

On the duchess' first-trip-ever across the pond, she looked effortlessly stylish in the various outfits she wore. She even outshined some of Hollywood's most notable celebrities, namely Nicole Kidman, Reese Witherspoon, and Jennifer Lopez.

But, Kate isn't all about high-end, new fashion. She has made it a practice to publicly wear many of her outfits more than once.

Take a look through the slideshow to see some of Kate's most popular outfits to date.
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