By Joe Crutchley & Joel Leaver Mark Wright and Michelle Keegan have been met with a backlash from some fans following a recent post which promoted their fitness brand. The clothing range was promoted on Instagram earlier this week with a photo that showed Mark, 37, and Michelle, 36, modelling outfits from the collection. It came ahead of the former launching a pop-up shop in Manchester on Friday. Just days earlier, Mark wrote in a post about the sportswear brand, in which he tagged his wife Michelle: “We are so proud of #ourbrand @aytee7 we have chosen every material and style with our persona…