Laura Mvula

Lots of people think I'm telling porky pies when I say how nervous I get about singing. I was good at working out how music was put together, and I was good at being at the back, but if you asked me to sing up front, then I looked like I was going to pass out.

I envy those who can wear red lipstick or any bold lip colour, really. My top lip just doesn't seem to take colour - there's nothing I can do to change that, so I usually just use a nude on the bottom lip.

Weapons of mass destruction violate more than individual lives - they cross international borders and jeopardize all people. They also drain resources that could be used instead for medicines, schools and other life-saving supplies. We must come together with even greater determination to prevent a WMD nightmare.