Kimora Lee Simmons Shows Off Her Growing Baby Bump on Vacation

Kimora Lee Simmons relaxes on a yacht while catching some sun on Thursday afternoon (December 18) in St. Barths.

The 39-year-old model and designer showed off her baby bump while on vacation with her ex-husband Russel Simmons and their kids (not pictured).

PHOTOS: Check out the latest pics of Kimora Lee Simmons

The day before, Kimora rocked a black bathing suit during a day full of water sports.

“Sunset Silhouette… #StBarths #BigOleBelly😍☀️🌈�’�🍼,” she tweeted from vacation.

10+ pictures inside of Kimora Lee Simmons showing off her baby bump in a bathing suit…