Then you'd better have the perfect holiday party outfit prepared so you can appear casually fabulous and effortlessly sexy. No matter where your event is held—outer-borough loft, enclosed Chelsea rooftop, underground Chinatown bar—stand out in the crowd with the help of Armani Exchange!

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Legs, lips, and sparkle are the overarching themes of this holiday season. But how to pull it off? Check out the gallery of looks from the Armani Exchange Holiday 2010 "Style Galactica" Collection—and you'll be on your way to a mistletoe makout!

And Armani Exchange wants to give you a $1,000 A|X gift card. Simply email us at contests@jezebel.com with "Armani Exchange Gift Card" as the subject line, and you'll be entered to win!

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Standard contest rules apply. Only open to US residents. Readers may also enter by sending their contact information to Gawker Media, Attn: Armani Exchange Gift Card, 210 Elizabeth Street, Fourth Floor, New York NY 10012. The contest begins on November 11 at 9:59am EST and ends on December 31 at 11:59pm EST. Winner chosen at random.

Gold glittery sheath mini will catch candlelight and strobelight alike.

Tiered sequins and chiffon is sexy personified.

LBD with shimmery silver batwing sleeves is equal parts demure and rock star.

This shoulder-baring knit mini will get you on the "Naughty" and "Nice" lists this year.

A soft, layered ruffle tank is the perfect match for silky formal shorts. Just don't forget the sky-high heels.

Leather and studs done downtown holiday chic.

If causing jaws to drop is your goal, this leather mini will certainly do the trick. Click here to see all of the Armani Exchange Style Galactica Holiday 2010 Collection!