I'm excited about turning 40. I've been an adult for a long time, but there is a difference between being an adult and being a grown-up. I'm someone's mummy now and I'm enjoying that. I feel as if I'm about to hit my peak.

Being on set is a hard thing. A lot of people are like, oh, you get to make a movie, and it's all fun. But the reality is, it's a lot of hours. It's a lot of reshoots; it's a lot of waiting. And you can become increasingly agitated by the amount of time that you are waiting. But that's real.

To be a queen of a household is a powerful thing.

Saturday Night Live is a show that I think I could have a lot of fun on, just being different characters and maybe singing, too.

My heart and prayers go out to all single moms because it's tough, and I can't imagine any teenager dealing with a baby and all those hormones raging.

I was backstage at the House of Blues in L.A where I was about to perform, and Stevie Wonder and Prince turned up at my dressing room together! Stevie started beat boxing and Prince started singing one of my songs, all of a sudden it was like I was in a cypher with these incredible artists.

I think what irks me is that I feel like women are really being compartmentalized physically, and it's been done so much that now we're doing it to ourselves. I don't like it.