Blair enjoys an evening in New York with her 3-month-old son Arthur. Plus: Kristin Cavallari, Robert Pattinson, Taylor Swift and more


Where can I buy Kristin's backless dress from the Star Track, "Back in Action"? – Lesley L.
The DWTS castoff gets the last laugh in a $286 "Carrie" dress by Boulee.

Sign up for our daily newsletter and other special offers.
    Choose your newsletters
Thank you for signing up! Your request may take up to one week to be processed.
    see all newsletters