So you think your Halloween costume was ambitious? Well think again. Here is a round-up of all of the fashion set's best costumes and parties from this past weekend. [Style.com]

Alber Elbaz says that his collaboration with H&M is about "sharing." He explains, "Ninety five percent of women can't afford Lanvin, so let them have a taste." How kind! Speaking of Lanvin, check out our pics from Friday's Halloween extravaganza. [Vogue UK]

Rumi Neely of Fashiontoast fame is hopping on the blogger-turned-designer bandwagon (like Jane Aldridge before her). She's collaborated with NYC-based jewelry brand DANNIJO for a six-piece collection that's out in November. [Refinery 29]

Now this is a fashion fantasy come true: The eccentric, iconic stylist Lori Goldstein shows off her wardrobe, including an envy-enducing Hermés collection. [StyleLikeU]

Not only is Lindsey Wixson on the brink of supermodel-dom -- she's signed on as the face of both Marc Jacobs and Mulberry for Spring 2011 -- she's already made friends in some pretty high places: Jason Wu will design her prom dress! [Vogue]