London, Aug 2 - Pussycat Dolls singer Nicole Scherzinger's racing driver boyfriend Lewis Hamilton has revealed that they are able to maintain their long distance relationship through picture messages.

Scherzinger is based in Los Angeles, while Hamilton is in Geneva and contactmusic.com reports that they constantly send each other picture messages on their mobile phones to help cope with long periods apart.

'I take pictures of everything in my life and I have a very long distance relationship, so it's how I communicate,' said Hamilton.