Jessica Simpson Critiques Clothes on Project Runway

Jessica Simpson, who designs her own handbag, denim and shoe lines, makes her debut on Thursday's Project Runway finale -- and UsMagazine.com has your first peek.

How does she hold up alongside Heidi Klum, Michael Kors and Nina Garcia? Watch above!

PHOTOS: Jessica Simpson's most unforgettable moments

Tune into the season finale of Project Runway Thursday at 9 p.m. (EST) on Lifetime.