2014 saw the loss of many beloved, talented icons in the entertainment industry and there's no doubt we'll be feeling their absences for years to come.
As family, friends, celebrities and the world continue to mourn the untimely loss of Joan Rivers, more answers are coming out about the cause of her death.
Several celebrities, including Ariana Grande, Lena Dunham, Anna Kendrick, Sarah Silverman, Ellen DeGeneres and more, took to various social media outlets to express their sadness upon hearing the news about Joan Rivers' death.