What's Christmas like in the Oliver household? For chef Jamie Oliver, his wife Jools and their five children, it's 'completely OTT'. Speaking to Channel 4 ahead of his festive cooking show,Jamie's Italian Christmas, Jamie reveals that family traditions have changed over the years, but when it comes to decorating the tree, there's always a mishap. 'One thing that remains the same is that we go nuts, completely OTT,' begins Jamie. 'Dressing the tree is always full of carnage and tears.