shared thoughts of Joan Rivers with her Twitter followers on Sunday, the two-year anniversary of her famous mother's death.
"Thank you all for the love today. Hard to believe it's 2 yrs. Coop & I miss her every day," the 48-year-old television host wrote, referring to her son, Cooper Endicott, 15.
"One thing I know is my mom would be so proud of the young man Coop has become. That makes me smile even today xx," she added.
Joan, an iconic television personality and comedian, died on Sept. 4, 2014
, aged 81. In May, Melissa settled a multi-million dollar medical malpractice lawsuit
regarding the death, which was determined to have resulted from a predictable complication of medical therapy.
"I hope that this sparks conversation about care and policy at ambulatory surgical centers," Melissa told ET at the time.
"If talking about what happened to my mother can help even one other family, it will have been worth it," she continued. "As painful as it's been to go through this, Cooper and I are grateful for the speedy resolution which gave us answers to so many of our unanswered questions."
Find out more in this video.