Momlogic and Harley Pasternak, trainer to Kanye West, Halle Berry, Eva Mendes and Katherine Heigl -- team up to get wewe in shape!

Being a part of our Zip Up Your Jeans: Eight Week Challenge will give wewe the motivation and encouragement wewe need to kick start a new you! jiunge momlogic community leader Christina Montoya Fiedler to change bodies -- and lives -- with trainer to the stars Harley Pasternak.

In this group, you'll follow along using a free trial two week membership to Harley's 5 Factor Diet, getting weight loss tips and simple meal plans from Harley himself! AND on Tuesday and Thursday,...