Behind every successful man is a good woman, the old saying goes, but in the case of fashion photographer Nigel Barker - the suave judge in the popular reality TV show America's Next Top Model - it might be more appropriate to say that she stands right next to him. CitySeen spotted Barker with his wife, Cristen Chin, at Happy Valley last week. Although Barker told CitySeen he has a brother living in Hong Kong, the pair, who are partners in work as well as love, were actually in town for a photo shoot. Barker married Chin, who is also trained as a makeup artist, in 1999 and found her an invaluable 'secret weapon' in his career. 'On the job, I can be tough with the clients, and she can come in and smooth things over,' he said. 'We have the perfect combination, where we can work together 24 hours, seven days a week,' said the 32-year-old photographer. 'She is, seriously, my better half.' Barker certainly seemed to benefit from having such a favourable arrangement - he's a busy man these days. He told CitySeen he will not only continue to be a judge on America's Next Top Model for the next two seasons, he is also busy writing his first book on the fashion industry. The book will also be a sort of guide on how to choose a model, he said.