Celebrity Twitter Pictures Week of November 2, 2011

The Week's Most Fun and Funny Celebrity Twitter Pictures!

The Week's Most Fun and Funny Celebrity Twitter Pictures!

Stars celebrated holidays of all kinds this week. Nicole Richie and Joel Madden went trick-or-treating, while Sofia Vergara took a vacation on set. Justin Bieber and Ryan Seacrest spread Christmas cheer, and Ashton Kutcher welcomed the arrival of a new company to Hollywood — click through to see all the pics, and don't forget to follow PopSugar on Twitter for exciting news and photos!

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