It just wouldn't be the holidays without Kimora Lee Simmons frolicking in a bikini on the beach in St. Barts.

The ex-wife of music mogul Russell Simmons (he was there, too) showed off her sexy beach body while enjoying a day of fun in the sun with her family on Christmas Eve.

Though divorced, the couple has been spotted spending Christmas together with their two daughters, Ming and Aoki on the island in the past, and last year Simmons had new gilfriend Hana Nitsche in tow, but the new women appeared to get along fine.

This year it was Kimora's turn, taking along her new Russian beau for the trip. Nitsche, a former Germany's Next Top Model winner, wasn't spotted.

Ironically, Simmons, 56, and Lee, 38, were married on the island 16 years ago.