Victoria Beckham took to Instagram on Tuesday to share the most adorable photo of her husband David and their nine-year-old daughter Harper, calling the superstar footballer "the best daddy".MORE: David Beckham cooks impressive homemade treat for four childrenIn the heart-melting snaps, David firstly planted a kiss on his daughter and then gave her a sweet hug.David revealed earlier in the day that he and Harper had spent the day at a local farm, where they picked their own