The 'Halo' hitmaker ' who recently fired her father Mathew Knowles as her manager ' loves working with Tina Knowles on their House of Dereon clothing line but the singer admits she and her stylist parent don't always see eye-to-eye.

She said: 't does get difficult sometimes. My mother and I work so well together and we agree. Well 99 per cent of the time. And the one per cent? We're human. And sometimes we go back and forth but it never lasts. "

Despite their occasional disagreements, Beyonce ' who is married to Jay-Z - is pleased she can leave her business in the hands of her mother.

She added in an interview with more! magazine: ''m lucky because I can leave and I know everything's going to be fine and great because my mother's there taking care of everything.'

After firing her father in March, Beyonce paid tribute to the role he and her mother played in her success.

She said: "I am grateful for everything he has taught me. I grew up watching both he and my mother manage me and own their own businesses. They are hard working entrepreneurs and I will continue to follow in their footsteps.

"He is my father for life and I love my dad dearly. I am grateful for everything he has taught me."