BET.com has obtained exclusive information on how Russell Simmons spent his Christmas--in the arms of yet another young model. The entertainment mogul opted for a warmer climate this holiday, as he vacationed in St. Barts with 29-year old Katie Rost.

Russ and Rost spent their Christmas at the Guanahani Hotel, according to BET.com sources. Rost has been featured in magazines such as InStyle and Glamour, but more recently is being featured by Russy Russ's side. In early December, the two were spotted on the beach in Miami. Russ recently split from his girlfriend Porschla Coleman, with whom he was dating after his split from Kimora.

Katie is half African-American and German and was raised in Maryland. Despite her career as a model, Rost went to Boston University and majored in journalism. She recently wrote a "open letter to a dear friend" blog on Russell's Globalgrind.com where she says she "doesn't watch TV" or "listen to the fear mongering of the media.