Stephanie Seymour Goes Two Pieces

12/28/2010 9:30 AM PST BY TMZ STAFF
While vacationing in St. Barths, France with her son -- buxom 42-year-old model Stephanie Seymour flaunted one hell of a mom body in her teeny two piece bikini.

Stephanie Seymour Bikini Photos
Check out the gallery to Seymour of her.