The 46-year-old star lost her mother a few months ago and her son Endicott, 13, who was very close to his grandmother, has suffered from the loss, reported TMZ.
"My Christmas wish is that my son starts laughing again. I want everyone to have a great New Year and a very merry Christmas. I think everything's going to be all good in the new year," Melissa said.
Joan passed away in September at the age of 81, following complications from a surgical procedure.