Vernon Kay has shared a sweet snap of himself and wife Tess Daly on a winter stroll days after Christmas.The TV presenter posted the photo of the pair as they walked together along the River Thames on Monday 27 December.They were pictured walking arm in arm and kitted out for the cold weather, with Tess, 52, wearing black tracksuit bottoms, chunky white trainers, a thick padded coat cinched at the waist, and a striped winter hat.