Article continues below advertisementHeidi Klum took center stage at the Project Runway finale in a sizzling look.The host, 52, stunned in a plunging olive-green gown with tie-front detailing as she sat on the judges' panel on Thursday, September 25.Klum paired her Tom Ford maxi dress with aviator sunglasses and wore her signature blonde locks in loose waves.Article continues below advertisementSource: @heidiklum/InstagramHeidi Klum is the host of 'Project Runway.'She posed alongside fellow judges Law Roach, Nina Garcia and Michael Kors.