Celebrity Parents Stefani-Rossdale family visit a Malibu park By Staff Author Published on February 11, 2008 08:40 AM Share Tweet Pin Email Gwen Stefani, 38, and Gavin Rossdale, 40, take son Kingston, 20 months, enjoy a fun afternoon at a park in Malibu, CA on Sunday, February 10th. The couple expect their next baby in early August. Photos by Flynet. Continue reading for more photos and info on Gwen’s dress. Gwen is wearing Twelfth St. by Cynthia Vincent’s ruffle maxi dress ($372).