Ryan Seacrest's father, Gary Seacrest, has died after battling prostate cancer. "It is with a heavy heart that I share with you that my loving father peacefully passed away earlier this week," Ryan, 50, wrote via Instagram on Friday, October 31. "My mom, sister and I have peace knowing he is in a better place and free of any pain or suffering. We are heartbroken." The radio host continued, "He was a devoted husband for 56 years, an incredible Papa to [my niece Flora and my best friend. Dad, you will live in our hearts forever. I love you.