“Face it. I have rather thick and substantial peach fuzz. This is a new development,” she wrote.
Blair’s sense of humor, though, remains intact. “I also have very small ears. Earlier development. School pick up musings. Carry on,” she wrote.
Several people rallied around Blair, 47.
“You are gorgeous and that is that,” one person commented.
“YOU ARE PERFECTION,” someone else wrote.
“You also have the most soulful and beautiful eyes, I have ever seen,” another person wrote.
In July, she shared a photo of herself with a shaved head after undergoing treatment.
"This has been a process," she wrote. "And will continue to be one.
"I feel sick as all hell," she wrote on Instagram alongside a photo of her huddled in bed back in May.
Despite all the challenges, the actress has remained upbeat and even shared a light video of her trying to apply makeup.
More than 2.3 million people around the globe have MS, according to the the National Multiple Sclerosis Society. Blair has become one of the more high profile people to have the disease, joining the likes of Jack Osbourne and Jamie-Lynn Sigler.