Bobby Brown pictured with his father "Pop Brown" in December 2005 at the VH1 "Big in 05" Awards.

Bobby Brown‘s dad passed away today after a long bout with cancer … sources close to the family tell TMZ.

According to a family source, Herbert Brown — known affectionately as Pop — had been ill of quite a while. He was 82.

Pop was seen often on the reality show “Being Bobby Brown.”