Theory makes high-quality clothes so what should you do when they have an item on major sale? You guessed it — snag it without hesitation. Update your trouser collection with this Theory Lonan Wide-Leg Tailored Pant ($79, originally $255). They're modern, and can be worn at work or play. Plus, the classic fabric and cut will ensure that you wear it for years to come.

• Oscar's Garden of Earthly Delights — Daily Fashion Report
• Shoewawa Preview: Pied a Terre Spring/Summer 2008 — Shoewawa
• My ANTM Casting Experience — Cuffington
• It's Raining Plaid — TorontoStyle
• Vested Interest: How To Wear a Vest — The Budget Babe

Last week I asked you all to help Party Up the Look Book by posting your holiday-party ensembles, and I love what I see so far — be sure to join in on the fun. Those featured will receive a cheeky pair of FabSugar undies!

These Looks of the Week range from lady in red (cardigan) to snow white to golden girl to right on target to the perfect gift! Whew!

Congrats to jmarie12, Dolce, Nita28, tshellyedwards and syako!

Everyone else, submit your looks today and I just might feature you on FabSugar! If you live overseas and have a fab outfit to share, join the Overseas Fashionistas Group and to submit a Look in this group learn how to post a blog.

• Learn Catherine Malandrino's fabulous tips for dressing for the holidays.
• Help us party up the Look Book!
• Need gift ideas? the Sugar network has you covered!
• See who's wearing what with our fabulous Celebrity Styles.
• Nina Garcia answers our Fab questions!
• Read my Trend Alerts to find out what's haute right now.
• Check out Fab's Best of 2007.
• Don't forget to tip those who made your life more Fab this year!
• So tell me . . . who wore it better?
• Check out my December Most Wanted.
• Take our super-fun Gossip Girl quiz!
• Help me Compare & Contrast: The Olsens vs. The Trainas.