The supermodel, now back as host of 'Project Runway' for its newest season, wore a flowing chartreuse dress with a high turtleneck and long sleeves. The piece featured an airy silhouette with feathered cuffs. Her beauty game was just as polished, including soft waves parted down the center, glowing skin, winged eyeliner, and glossy lips.

Heidi Klum chatted about season 21 of "Project Runway" on "GMA" and revealed a hint about her Halloween costume this year.

Heidi Klum and Sofía Vergara stunned in matching best friends outfits for Project Runway. The German model wore a chartreuse-colored long sleeve dress, while the Modern family alum opted for a pineapple-yellow suit with a merlot-red vest.