Justin Timberlake and Jessica Biel leaving Southern Hospitality on Second Avenue through the back door ... Nicole Kidman getting lunch with a friend in the West Village ... Hilary Duff and boyfriend Mike Comrie arriving at their hotel ... Liev Schreiber and Naomi Watts pushing baby Alexander in a stroller ... Natalie Portman taking her dog for a walk in the rain ... Jessica Alba going to dinner at Via dei Mille on West Broadway with daughter Honor and other family members ... Katie Holmes and Suri leaving the Union Square Greenmarket .. Eva Mendes on the set of her new film ... country singer Taylor Swift arriving at her hotel ... Brooke Shields buying toys at FAO Schwarz ... and Keira Knightley and boyfriend Rupert Friend hugging in Central Park.