Declan Donnelly BEAMS as he and wife Ali Astall take baby daughter Isla for walk in Manchester with Britain’s Got Talent judge David Walliams

Declan Donnelly and wife Ali Astall are joined by David Walliams as the couple go for a stroll with daughter Isla [SplashNews.com] Britain’s Got Talent host Declan Donnelly and judge David Walliams loved a break from filming the reality talent show as they strolled around Manchester.  The pair were joined by Dec’s gorgeous wife, Ali Astall, 41, and the pair’s adorable baby daughter, Isla.  Dec, 43, looked every inch the proud dad as he beamed during the stroll …