Gwen Stefani for Charity

Fashionable pop star GWEN STEFANI has designed and autographed a special baby buggy to help raise money for charity and spread awareness about World AIDS Day.The singer and mother-of-two has teamed up with baby product firm Bugaboo to customise two of their Cameleon strollers, decorating hers with a graffiti-style floral fabric from her L.A.M.B. clothing collection, complete with leather trim on