'Natural is great, but a big toothy grin doesn't work for most people. Begin at least two weeks before the big day (the various 'instant' products are not as effective), and be sure to practice that smile in advance. A few years back, teeth whitening was for the 1 per cent only, but now all you need is a drugstore kit and a willingness to hold off on the coffee and red wine.

One thing most celebrities have in common is an enviable set of pearly whites. For your close-up, stick your chin slightly out and then slightly down, and feel free to serve up a little facial attitude: 'I always tell models to give me a sort of 'What are you looking at?' expression,' says Mr. Sibbald), keeping shoulders down (unless you want to look like a football player), avoid puffing out your chest (this applies to both men and women) and placing your hands at the smallest part of your waist, or for guys, dangling the hand in a pocket. Some simple tips include twisting your hip slightly ('You don't want the camera to hit you dead on,' says Mr. Play around with facial expressions and angles as well as full body positioning. Thousands of new, high-quality pictures added every day. Lucky for the latter group, the only tools required for Picture Perfect 101 are a mirror, some free time and preferably a locked door. Find Over The Shoulder Pose stock images in HD and millions of other royalty-free stock photos, illustrations and vectors in the Shutterstock collection. As with any skill, some people are naturals while others require practice.

Look over the shoulder pose