Wearing a gray Yale sweatshirt with black tights while toting a Louis Vuitton handbag, the "Do You Know?" darling was fresh off of another fitness session with celeb trainer Tracy Anderson.
As previously reported by GossipCenter, Miss Simpson is in the midst of four day a week 75 minute workouts as she readies to tie the knot with fiance Eric Johnson.
A friend of Jess told Us of the efforts, "She's seeing results. She really loves it."
