Gwen Stefani sports a sexy red bikini while vacationing in St. Barts Photo 6

Gwen Stefani, Gavin Rossdale, Kingston James McGregor Rossdale and Zuma Nesta Rock Rossdale enjoy the beaches of St. Barts January 4, 2010. Gwen takes the opportunity to show off her bikini ready post-pregnancy sexy body. Photo: TRB/Fame Pictures