Sharon Osbourne to star on BBC ancestry television show 'Who Do you Think You Are'.

Sharon Osbourne

Sharon Osbourne

The 66-year-old star - who has kids Jack, 33, Kelly, 34, and Aimee, 35 with her husband Ozzy - wants to find out more about her past relatives despite having spent years estranged from her late mother and father.

As reported by the Daily Mirror newspaper, fiery red-head was recently seen filming for the show - which has already signed up Kate Winslet and Mark Wright - in Tunbridge Wells, Kent.

Sharon's father Don Arden worked in the music business and the mogul, who died in 2007, tried to sue his daughter for millions when she took her husband away from his record label.

The 'X Factor' judge loathed her father and previously labelled him "an evil old b*****d".

She previously said: "There were times when I was on the floor crying and shaking because he'd threatened to come over to the house and kill me.

"He's an evil old b*****d and I can't wait for him to die."

Don reportedly made friends with Joe Pagano - who was a member of the Genovese, one of the five big Mafia families in New York - and Sharon made sure that her three children had nothing to do with Don and simply told them their grandfather was dead so they did not have to meet him.

She previously said: "I told them that because I didn't want him anywhere near them and I certainly didn't want them seeing him.

Sharon also disliked her mother Hope Shaw - who passed away in 1999 - and didn't even attend her funeral.

She said: "I didn't like my mother at all. There was no friendship, nothing at all."