Kimora Lee Simmons goes on holiday with ex-husband & their kids

It's a tradition. Years after they ended their marriage, Kimora Lee Simmons and ex-husband Russell Simmons still take holidays together with their children.The mother of 3, who is expecting her 4th child with new banker husband Tim Leissner, is currently on holiday in the Caribbean island of St. Barths, with Russell, their daughters Aoki, 12, and Ming, 14 and Kenzo, her 5 year old son with actor Djimon Hounsou. Tim wasn't with them.