Bullock bundles up in chilly N.Y.C. Plus: Brad Pitt, Gwen Stefani and more

  • WARM-UP GEAR
 photo | Bradley Cooper

Credit: Christopher Peterson/BuzzFoto

Published: Tuesday Feb 01, 2011 | 02:00 PM EST

WARM-UP GEAR

Who's that guy? A sporty Bradley Cooper goes incognito Monday, donning glasses and a cap during his walk through blustery New York City.