JSIMPSONMUSCLE090107_26.jpgJessica Simpson JSIMPSONMUSCLE090107_14.jpgDamn, girl's been workin' out and it shows! Jessica Simpson ate out at Ruth's Steak House last night - with Vivica A. Fox, who does not think she's a diva - in a stunning white dress. She also carried a purse that, well, has a real deer-horn as a handle. (Hasn't she ever seen Bambi?!) Still, the outfit works! Gotta give props for that.