Jack Osbourne is opening up about the loss of his father Ozzy. Breaking his silence on the rock legend's passing on July 22 at age 76, the 39-year-old shared a heart-wrenching video montage on Instagram on Wednesday, featuring videos and photos spanning his entire life with his father. In the caption, he expressed: "I haven't really wanted to post anything since the passing of my father. My heart has hurt too much. I'm gonna keep this short because he certainly hated long rambling speeches.