Get ripped, flat abs in 6 weeks with America’s toughest trainer, Jillian Michaels. Forget boring sit-ups – Jillian’s ab-shredding system will chisel the midsection with her winning combination of core ...

Get ripped, flat abs in 6 weeks with America’s toughest trainer, Jillian Michaels. Forget boring sit-ups – Jillian’s ab-shredding system will chisel the midsection with her winning combination of core ...