Joely Richardson started an Instagram account to help dispel negative perceptions of her. The 57-year-old actress – who is perhaps best known for playing Julia McNamara in the drama series ‘Nip/Tuck’ – acknowledges that she “can come across as looking really hard”, but Joely insists the perception of her doesn’t chime with reality. She explained: “I got why people think certain things about me. I can come across as looking really hard. A bit ‘rarefied air’. But I hope that’s not who I am. “I started an Instagram at the grand old age of 57. Just me, who I am, just so it’s out there with the oth…