In 2002, Ozzy and wife Sharon made their family debut on the MTV reality series The Osbournes, featuring Kelly and son Jack. The show won the Emmy for Outstanding Non-Fiction Program (Reality) in 2002 and was nominated again the following year. Its final episode aired on March 21, 2005, before launching several offshoots over the years.

Kelly Osbourne is mourning the loss of her father Ozzy following his death on Tuesday. Osbourne posted a brief message to her Instagram stories on Thursday afternoon. “I feel unhappy I am so sad,” she wrote. “I lost the best friend I ever had.”