Jessica Biel works out several times a week and is constantly seen out walking her dog in the city. She is one of those celebrities who look great and promotee an active, fit lifestyle. She is known for being in good cardiovascular shape and for having a great rump. She’s only 27, so it can’t be as hard for her to stay toned as someone who is older with a slower metabolism. But sheesh, give the girls some credit, she looks fabulous.