Halle Berry walking downtown with a friend yesterday ... a grumpy-looking Ron Perelman leaving Bar Pitti on Sunday... Alex Rodriguez walking to lunch at Da Silvano ... Mary-Kate Olsen getting coffee with Nate Lowman in Tribeca ... Phoebe Cates getting breakfast with a friend yesterday at Yura on Madison Avenue ... Nicole Kidman walking on Park Avenue ... Naomi Watts shopping at Lilliput on Lafayette Street ... Chaz Bono arriving at JFK ... Julianne Moore and Bart Freundlich walking with their daughter and dog in the West Village ... Taylor Momsen filming scenes for Gossip Girl ... Hugh Jackman bowling with his kids at Lucky Strike on Sunday alongside Vincent D'Onofrio and his son ... Luke Wilson leaving Nello's on Sunday with a lady friend ... Heidi Montag and Spencer Pratt arriving at JFK ... and Keith Urban leaving his apartment building with his daughter.

Whitney Port and (ex-boyfriend!) Jay Lyon walking together in the West Village ... Sarah Jessica Parker leaving her townhouse with her mail in hand ... Julianne Moore walking along Sixth Avenue with husband Bart Freundlich and their kids ... Liev Schreiber carrying his son and a stroller in the East Village ... Paul McCartney getting out of an SUV on the set of Have You Heard About the Morgans? ... Sean Connery walking on the Upper East Side ... Jennifer Aniston carrying a script on the set of The Baster ... Ozzy Osbourne heading into an interview on Howard Stern's radio show ... and Kiefer Sutherland arriving for dinner at the Waverly Inn.

[Julianne Moore and her director hubby, Bart Freundlich, leaving New York's Waverly Inn, Jan 7; image via INF]