Heidi Klum Flashes Her Underwear in Plunging Christian Siriano Lace-up Dress

Photo Credit: Gerome Defrance/Getty Images Heidi Klum is counting down to the end of another stylish season of "Project Runway." The supermodel and television host marked the occasion by sharing a glamorous Instagram post. She teased the upcoming finale with the caption, "Next week is our @projectrunway Season 22 FINALE." Naturally, her dramatic Christian Siriano gown stole the spotlight. Heidi Klum's plunging Christian Siriano lace-up dress gives a peek at her underwear and more View this post on Instagram For the special appearance, Heidi Klum wore a black long-sleeve stretch crepe . . .