Celeb sightings: Jon Hamm eating dinner at Boulud Sud, Jessica Biel shopping for bread in Union Square

Jon Hamm and Jennifer Westfeldt having dinner at Boulud Sud

Jessica Biel picking up a quinoa salad, guacamole sandwich and a loaf of fig-and-walnut bread at Breads Bakery in Union Square

Christie Brinkley and daughter Alexa Ray Joel taking in "Kinky Boots" on Broadway, then eating dinner at Orso