India, Aug. 31 -- Actor Adam Demos has shared heartbreaking news about the passing of his mother, Lindy. The Australian star, known for Sex/Life, posted an emotional tribute on Instagram over the weekend, confirming she died after a long battle with cancer.

Along with a photo of the two embracing, Demos wrote that his mother was diagnosed with stage 4 cancer nearly 16 years ago and at the time was only given a year to live. "The brightest and bravest soul there is," he said, calling her the clearest example of strength and joy.

Demos, 40, said his mom raised him on her own and that the pair had always been inseparable. "It's been her and I against it all and my biggest honor to be her son," he explained, adding that she was not only his...