Ivanka Trump (left) shopping on Madison Avenue with a friend ... Chloe Sevigny walking around in a red hat and red boots ... Kate Hudson leaving her West Village apartment with two friends ... Hugh Jackman hanging out with his kids in the Village ... Maggie Gyllenhaal crossing the street ... Heather Mills heading into the Avalon Day Spa on Christopher Street ... Kate Winslet on a stroll ... Julianna Margulies and husband Keith Lieberthal showing up at Nobu for dinner ... and Jon Stewart watching a Knicks game at Madison Square Garden with his son.