As part of her latest PR remake, Paris Hilton has been trying to turn over new leafs in her life. But keeping fitness in her daily regimen will not change as training and staying fit is all too important to the 22 year old hotel fortune heiress personally and professionally. For the past year, personal trainer Jacoby Ben-Yakir has helped keep Ms. Hilton physically in shape. The former Model America Top 5 Finalist is one of the hottest models in the South Beach and Hollywood scenes but still manages to keep selected clients. It never hurts to be in the right circles.