Jennifer Hudson signing autographs for fans before filming a segment for Regis & Kelly ... Julianne Moore hailing a cab in the Village ... Rainn Wilson taking a walk downtown with a chick ... Jessica Simpson leaving the Ritz-Carlton on Central Park South ... Nas protesting outside the News Corp. building ... Eliot Spitzer taking a solo stroll uptown ... Mariah Carey and Nick Cannon holding hands while walking to dinner ... and half the socials in Manhattan at a goodbye party last night in honor of Rufus Albermarle.