16-year-old prankster Brooklyn Beckham who has been locked in a just-for-fun social-media contest with his father, David, since he reached one million followers on the photo-sharing app in April, recently upped the ante as he got epic revenge on dad David on Friday by sharing some of his most embarrassing photos to date. Brooklyn pounced on his sleeping father armed with his smartphone and a bunch of chocolates as he took a well-deserved rest from the festivities on Christmas Day. See another photo after the break