img_3896Alan Thicke, known for his role on the ’80s show Growing Pains and as the father of singer Robin Thicke. Alan died of a heart attack at age 69 on Tuesday, shocking the entire world – even his family.

Robin Thicke took to Instagram to reflect, writing, “My father passed away today. He was the best man I ever knew. The best friend I ever had. Let’s all rejoice and celebrate the joy he brought to every room he was in. We love you Alan Thicke. Thank you for your love. Love, your grateful son.”