This week on Twitter, it was all about ringing in the New Year. Our fashion favorites like Jessica Alba, Brad Goreski, and Lauren Conrad all shared photos of their New Year's Eve celebrations, complete with party-ready outfits and good friends. Style stars like Prabal Gurung and Lindsey Wixson stayed in, while catwalkers Coco Rocha and Hilary Rhoda embarked on sunny, cool vacations. Click through to see how all the celebs welcomed 2012!

Source: Fashionable — and Festive — Twitter Pictures of the Week!