Gwen Stefani and Blake Shelton's idyllic life together has just gotten a whole lot messier. The pair - who, along with Gwen's three boys split their time between Los Angeles and Oklahoma - have a stunning property portfolio and the No Doubt singer has revealed they're about to make some major changes to one of them. GALLERY: Gwen Stefani's $13million mansion with fiancé Blake Shelton has wild interiorsSpeaking on The Ellen DeGeneres Show, Gwen revealed that they are getting their hands dirty with a project which is a far cry from their star-studded music careers.WATCH: Gwen Stefani and Blake Shelton's love story Rather than call in the professionals, Gwen and Blake are transforming their expansive backyard at their new Oklahoma ranch all by themselves. At the time of the interview, the mom-of-three said her husband was there already and admitted: "He's literally tilling the soil. He literally texted me an hour ago.