While Jack and his other older sister, Kelly, 40, garnered fame after starring in MTV’s “The Osbournes” with parents Ozzy and Sharon, 72, Aimee chose not to participate in the show during its four-season run from 2002 to 2005.

Jack recalled feeling as though Aimee "wanted to be relatively private and obscure" throughout the Osbourne family's 2000s reality TV era

A closer look at why Ozzy Osbourne and Sharon Osbourne's son Jack Osbourne is "not close at all" with older sister Aimee Osbourne, echoing what Kelly Osbourne has also said about their other sibling.