The 85-year-old star, who’s been in the business for about five decades, has revealed that she’s joining a platform known for its spicy adult content. RELATED:Highlights Donna Mills has joined a popular adult content streaming platform at the age of 85. The ‘Knots Landing’ star recently slammed an online hater for saying she was wearing too much makeup for her age. Image credits: Unique Nicole/Getty ImagesADVERTISEMENTAt the age of 85, Donna Mills has launched her own OnlyF*** account, the platform known for adult content. Image credits: thedonnamillsImage credits: DeanBNowhereMills is aware of how unconventional and unorthodox it is for stars of her age to join such platforms.