United Kingdom, Jan. 12 -- Beyonce is "not motivated by money", according to her father Mathew Knowles.

The pop superstar's dad has opened up about his daughter's wealth after she was named a billionaire by Forbes magazine - following in the footsteps of her rapper husband Jay Z - but Knowles is adamant the singer is more concerned about keeping her fans happy and "giving back to the community".

He told New York Post column PageSix: "She's not motivated [by] money ... I've never heard Beyonce ever talk about money . It's always been: 'How can I make my fans happy? How can I be the best at what I'm doing?'

"Her money came with the success, but that has never been a goal of hers. And I love that about her."

Knowles went on to add he con...