It's not always about movie premieres and luxurious vacations. Sometimes a celebrity just needs to get from A to B. Here are three of our favorite ladies taking care of business. Christina Ricci arrived at CBS for an appearance at the studios with her dog in hand. She doesn't go anywhere without that pooch these days (cough cough Paris).Renee Zellweger took a morning stroll in Miami with a friend after a workout. Maybe she shouldn't work out as much.Kate Moss ran into the Arcadia Group Offices, linked with her clothing range for Top Shop in Central London. Love the color of her bag!Bauer GriffinClick on the thumbnails to enlarge.