By Ayaan Ali Victoria Beckham has left fans hot under the collar after posting a topless snap of David while he posed in his tight shorts. The singer-turned-fashion designer took to her Instagram page on Saturday evening to post a sweaty photo of her husband and one of herself shortly after their intense workout out at the gym. The 48-year-old former England champ managed to impress his supporters with his toned abs and colourful tattoos and appeared more than pleased with the results of his exercise. The star was pictured with a huge grin on his face while having his head turned to the side a…