Celebrities have to be "on" 24/7. From red carpet premieres to promotional events, they must be ready to appear on camera at the drop of a hat. No wonder so many famous people fall back on a particular pose as soon as the flashbulbs go off. A few of these red carpet looks are intended to show off the line of a designer gown; others help draw attention to the individual's physique. The best celebrity poses are synonymous with the star itself - Victoria Beckham should consider trademarking her signature lean.