In order to get a better understanding of the poses that a lot of the audience will associate with celebrities, and also giving the celebrity mimicking footage an air of credibility, I looked into common poses when celebrities are confronted with a red carpet situation. It's often found that they simply stand and pose for the camera for their little bit of publicity and to show off their new designer dress, allowing the designer to gain some publicity as well.
Looking through various magazines, images etc that showed celebrities posing for the camera, I managed to narrow down the most common poses found.
[Ref: Photos: Lisa Rinna (top right) & Debbie Matenopoulos (bottom left), Feb 10, 2008, Credit - Frazer Harrison.
Camilla Belle - "Push" Premiere (bottom right)]
The above page is dedicated to a pose that commonly involves one hand resting on the hip, the other hanging down their side and more commonly crossing their legs close to the ankle. Further research told me that this particular pose allowed the celebrity to look slimmer, more lean, have a smaller waist and elongated and slim legs.
[Ref: Dakota Fanning (Top right) - Movie Premiere "Push"
Giuliana Ranic (Bottom Left) - Feb 10, 2008. Photo credit- Frazer Harrison/Getty Images
Hayden Panettiere (Bottom Right) - August 2008 - Whaleman Foundation Benefit]
[Ref: Megan Fox (Top left) - Getty Images
Lisa Rinna (Bottom Left) - Grammy Awards - Credit: Frazer Harrison/Getty Images
Kellie Pickler (Bottom Right) - CMA Awards - Photocredit: Ed Rode]
This is a more mysterious and alluring pose that the three are demonstrating above. Hands on hips to make the waist smaller, clingy dresses to show off the hour glass figure, and a " come hither" look over the shoulder that makes the photographer and the public want more.
[Ref: Emmy Rossum - Photo credit: Bill Davila/Startraks
Christina Aguilera - Photo credit: Jason Merrit/Filmmagic
Jessica Simpson - Photo credit: Axelle/Bauer-Griffen]
In the style of the 1920's where the Charleston was popular and flapper dresses were worn ( a style of which is being worn by Emmy Rossum). It brings back a classic period of time, thus a classic pose. This is a more quirky pose, which there a lot of. Each celebrity has their own signiture pose, i.e. Miley Cyrus and her 'peace' sign. Or Lindsey Lohan and blowing kisses.
[Ref: Fearne Cotton (Top right) - "Glamour" Magazine - Photographer: Walter Chin (April 2011 issue)
Victoria Beckham (Bottom Left & Right) - "Glamour" Magazine. - Photographers: Pacific Coast News/Getty Image]
Another standard pose with the hand on the hips, to frame the waist, to show curves and so forth. Many females who are doing said pose somewhat lean to one side, giving off a sign of 'attitude'. It's a good standard pose that I've used previously when doing photoshoots, and a pose I think a lot of people tend to just fall into when having their photo taken, possibly, due to being surrounded by it in magazines etc.