Sometimes it's hard to admit, though, especially if you're known as a happy person, because you feel you're letting people down if you're not being happy 24 hours a day.
I am so lucky in that I have the most incredible followers and support network.
My whole life, I've been judged for how I look, which is part and parcel of being in the public eye, playing sexy roles and posing for lad's mags, but I want people to like me for my personality and brain.
I've been in relationships and had long-term boyfriends since I was 13, so I've always had that emotional pillar of support. I'd got to a point where I felt like I couldn't live without that.
I sounded like a fantasist at school when you'd go round the class, and they'd say, 'What do Mummy and Daddy do?' I was like, 'Mummy's an actress, and Daddy's a musician, and he plays his guitar with Bonnie Tyler.' And the teachers used to, like, roll their eyes, like, 'She's mental!'