A closer look at why Ozzy Osbourne and Sharon Osbourne's son Jack Osbourne is "not close at all" with older sister Aimee ...

Before Ozzy Osbourne died last month at the age of 76, his son Jack Osbourne detailed where he stood with estranged older sister Aimee Osbourne.

Ozzy Osbourne's daughter, Kelly, is speaking out following his death. In an emotional tribute, she thanked fans for their support.

As for Jack Osbourne, he has yet to address his dad's demise publicly, though his ex-wife Lisa Stelly, with whom he shares daughters Pearl, 13, Andie, 10, and Minnie, 7, took to Instagram to pay her ...