Kevin Bacon heading into Da Silvano to meet a friend for lunch ... Blake Lively and Penn Badgley walking down Fifth Avenue ... Hugh Grant jogging in SoHo ... Mischa Barton taking a smoking break outside ... David Letterman getting ready to play tennis with Andy Roddick outside the Late Show ... Maroon 5's Adam Levine walking downtown with his girlfriend ... Christina Milian hugging her fiancé, and later shopping at American Apparel ... Jane Krakowski walking with boyfriend Robert Godley in the Village ... actress Archie Panjabi filming scenes for The Good Wife ... ... and Rihanna taking her brothers to see The Lion King on Broadway.