Thousands of fans have also paid tribute to Norma.
Pop star Jade Thirlwall, who found fame with the group Little Mix, said: "Norma brought so much joy to so many, she reminded me of my own Nanna (I would sometimes watch your videos with tears of joy) and helped me heal, as I'm sure is the case for so many people on here.
"What a special lady and family you are."
Chef Poppy O'Toole added: "Thank you Norma for giving so many of us fun and comfort over the last few years.
"You are and forever will be an icon."
Jess and Norma were also regular visitors to Marshall's Yard shopping centre in Gainsborough, Lincolnshire, where they switched on the Christmas lights last year.
In a tribute to Norma, a spokesperson for the centre said: "Norma switched on the lights, but it was her wonderful personality and smile that truly lit up the yard."