Kate Middleton style

Kate Middleton is testing out Fall's must-have color trend: burgundy! The Duchess of Cambridge stepped out alongside Prince William at the Middle Temple Treasury, where they launched a program for law students from disadvantaged backgrounds, and Kate styled up a gorgeous bordeaux skirt suit for the occasion. She made this jacket and skirt number by Paule Ka even more Fall-appropriate by styling it with black tights and suede heels. Watch today's Fab Flash for all the details. On Allison McNamara: H&M top and necklace.

Some of our favorite style icons live across the pond, so today we're paying homage to our favorite It-Brits and their signature sense of style. Whether you want to perfect Kate Middleton's polish, get Kate Moss's off-duty look, or are a fan of Alexa Chung's boy-meets-girl style, we've created three outfits so you can channel your favorite British trendsetter. On Allison McNamara: Alexander Wang top, Crinkle pants, Marni necklace.

Kate Middleton's unique mix of sartorial sophistication and princess-perfect polish has the whole world swooning over her every ensemble! And we can't help but fancy a cap-sleeved frock, a beautiful box clutch, and a festive fascinator, too. So, as our royal duty to our faithful fashion constituents (you!) we've come up with a few quick tips on how to get Kate's regal-ready style. Watch now! On Allison McNamara: Topshop dress.

The lovely Duchess of Cambridge, Kate Middleton, is celebrating the big 3-0 today. In honor of her birthday, we've rounded up a few of our favorite Kate fashion moments — from a stunning Alexander McQueen strapless to a flutter-sleeved Jenny Packham confection and a hand-crafted Chantilly lace, watch to see Kate's standout ensembles.

Kate Middleton took center stage this year as the world watched her go from real girl to real-life princess in a stunning array of ultra-chic looks. From her Alexander McQueen confection at the royal wedding to her countless fascinators and her polished, ladylike ensembles at every turn, Kate stole our hearts and inspired our wardrobes. Watch to see our favorite looks from the lovely duchess!