By Mia O’Hare Nick Knowles has stunned viewers with his totally different look, leaving many not recognising the star. The TV presenter, 61, made an appearance on The One Show on Monday night alongside Strictly Come Dancing’s Amy Dowden. He was there to talk about his latest show, however, host Alex Jones soon turned to the “elephant in the room”. Nick looked unrecognisable from his usual appearance viewers have become accustomed to. The DIY SOS star sported a much longer beard on the BBC show as Alex said: “There’s an elephant in the room here. Nobody’s talking about it. There’s a new look, N…