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The award for most popular designer at the 2009 Emmy Awards goes to Marchesa with Heidi Klum, Sandra Oh and Olivia Wilde all heating up the red carpet in their stunning designs. Two of the three ladies even carried crystal-topped clutches from the label’s newly-launched evening bag collection—a finishing touch that secured Marchesa’s red carpet coup.

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Matthew Williamson was the first big show of London Fashion Week and the designer did what he does best—high octane glitz. Textured jacquard and brocade was highlighted on jackets and sexy minidresses for a party-ready look you can rock now through spring.

Luella Dress, $875; visit net-a-porter.com.

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Before hitting the red carpet, some of TV’s biggest names got a little star treatment at the Emmy gift lounges around Hollywood. At skin care guru Kate Somerville’s suite, Dexter‘s Jennifer Carpenter got a touch-up at the Bare Escentuals makeup station, while Debra Messing stopped by create a custom AJNE fragrance and borrow jewelry from Michael Green. At the official Emmys backstage gift lounge, stars like Blake Lively and Leighton Meester proved that it’s just as good to give as it is to get, signing up to help Lipton and CBS Cares raise funds for needy kids before browsing must-haves like the PalmPre and Anoname Jeans. AnnaLynne McCord and Katrina Bowden had vampires on the brain when they visited the HBO lounge, where they picked up pieces from the new True Blood jewelry collection.

Dying to know who designed Drew Barrymore‘s gorgeous gown or to vote for your favorite look of the night? We’ve got you covered on the style front with everything from the glamorous arrivals to our favorite hair and makeup and the most popular fashion trends on the red carpet.

Michelle Trachtenberg has jumped on the celebrity-designer train! The Gossip Girl star has collaborated with Monica Botkier to design a chic blue handbag with weathered-leather details and a braided handle. “This was my first time designing a bag,” she told MySpace.com. “But it’s definitely something I’ve always dreamed of doing!” A portion of the bag’s proceeds benefit Oxfam International, a charity that fights poverty and injustice.

Satchel, $545; visit botkier.com.