Smile doesn't mean that someone is happy. Sometimes it just means that you're strong.

Before you judge people, judge yourself.

If people talk behind your back, it's because you're ahead of them.

Life is funny. Things change, people change, but you will always be you, so stay true to yourself and never sacrifice who you are for anyone.

When we were on 'The X Factor,' we didn't realize how overnight the fame thing was. We didn't really understand it until we went on a shopping trip. It was like Week 7 or 8 of the show. We went with a few other contestants and there were loads of people, packed.

Don't call a girl obsessed when she's in love.

It's cool to know that I can make girls faint.