I have two different sides to my personality. I decided to give my fans what they want and who they are used to who is the person in all the videos and the person in 'Crazy in Love' who is Sasha Fierce. I have someone else takes over when its time for me to work and when I'm on stage.

When I was writing the Destiny's Child songs, it was a big thing to be that young and taking control. And the label at the time didn't know that we were going to be that successful, so they gave us all control. And I got used to it.

I always treat myself to one meal on Sundays when I can have whatever I want. Usually it's pizza, which is my favorite indulgence.

Acting is easier and smoother than singing - it's less drama.

I think it's healthy for a person to be nervous. It means you care - that you work hard and want to give a great performance. You just have to channel that nervous energy into the show.

There's my personal life, my sensitive side, and then me as a performer, sexy and energised and fun.

I like it when I'm on the stage, but honestly, I would be very happy if I could cut it off, just enjoy my life when I wasn't performing.