EXCLUSIVE: Katherine Heigl has a ball out shopping and visiting with her mother in Los Angeles and Pasadena, while some of the paparazzi have a pretty heated day while jockeying in to photographer her -- the contrast is pretty hilarious! Passersby are told that the actress being filmed is Jessica Simpson ... and are actually fooled.
Wonder what she's looking for in her car, in the street ... oh no! Did Katherine lose her new, enormous wedding ring!?
