Brooklyn Beckham had a fleeting fling with Afton McKeith, it’s been reported But, the oldest son of David and Victoria Beckham reportedly recently loved a brief romance with the youngest daughter of nutritionist Gillian McKeith, Afton McKeith-Magaziner. Afton attended school with Brooklyn and Guy Richie’s son, Rocco, but their romance didn’t last long. A source told Day after day Star Online: “The romance didn’t last too…