Singer/actress Jessica Simpson attends Good Housekeeping's 125th anniversary at the New York City Center on April 12, 2010 in New York City. (Getty Images)more pics »
Celeb trainer Harley Pasternak has managed the diet and fitness programs for many major celebrities including Jessica Simpson.
See pictures of Jessica Simpson:
More pictures of Jessica:
JESSICA SIMPSON Performing In Las Vegas
JESSICA SIMPSON Dons Two Salacious Little Black Dresses - Which Is Best?
Jessica Simpson At The 'Late Show With David Letterman'
Jessica Simpson Performs On ABC's "Good Morning America"
Jessica Simpson Goes Tanning Before Catching a Flight
Jessica Simpson Hits Beso in Hollywood
Jessica Simpson at Beso
JESSICA SIMPSON Chows Down At Mr. Chow
Jessica Simpson Visits Macy's Herald Square
Frederick's Of Hollywood Debuts Fall 2007 Collection - Arrivals
Entertainment Pictures Of The Week - 2007, May 24
Harley Pasternak is Jessica Simpson's celebrity trainer. He has Jessica Simpson on the 5 Factor Diet. Learn more about Jessica Simpson's 5 Factor Diet.