To optimize the photo op to your best advantage, it pays to bring along a high-profile friend, especially someone who appeals to a younger demographic. If said friend is in the movie you're promoting, all the better.
Here Kevin Costner, left, is shown with Ashton Kutcher, his co-star in the upcoming film "The Guardian" at Costner's hand and footprint ceremony on Sept. 6, 2006 in Hollywood.
(Photo: Getty Images/Vince Bucci)
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