Heidi Klum & Seal's Son Henry Makes Runway Debut at PFW, Mom 'So Proud'

Heidi Klum is one proud mama, and she's shouting it from the rooftops -- her son just made his runway debut at Paris Fashion Week! The supermodel shared a clip of her 19-year-old son, Henry, absolutely owning the runway at the Lena Erziak Haute…