Pakistan, Sept. 17 -- Kelly Osbourne knows better than most that families can be complicated.

The middle child of Ozzy Osbourne and Sharon Osbourne recently shared that she and her older sister Aimee Osbourne no longer have a relationship, although admittedly the cracks in their dynamic had been deep for years.

"If I'm honest, my older sister didn't really ever acknowledge me and my brother," Kelly said of her and younger brother Jack Osbourne during her appearance on the Sept. 15 episode of the We Need to Talk podcast. "She was just in her own world doing her own thing."

Indeed, while Ozzy, Sharon, Kelly and Jack-who has also weighed in on his own estrangement with Aimee-let their lives play out publicly on The Osbournes, Aimee opted ...