Following another split from John Mayer, Simpson parties the night away in West Hollywood. Plus: Kate Hudson, Nicole Richie and more

TABLE MATES

Liv Tyler and her Smother costar Dax Shepard order up an impromptu celebrity meet and greet while lunching at New York celeb haunt Sant Ambroeus on Tuesday. The actors found themselves seated next to none other than Kate Bosworth and pal Helena Christensen at the downtown caf´