Harley Pasternak tones up Hollywood's hottest (like Halle Berry and Eva Mendes) with his no-nonsense Five Factor Diet plan -- and now he's revealing how to shed extra weight while still eating your favorite foods!

Attention "Extra" fans! Harley is giving you a free, two-week trial for his 5-Factor Diet -- check out the Five Factor website for more details.

But wait -- that's not all! Harley and momlogic.com have teamed up for their own "Zip Up Your Jeans Challenge" to help you get fit. You could win a trip to L.A. to train with Harley himself! Learn more about this fun challenge -- and get started now!

Click here to learn more about Harley.