Could Kate Middleton and Prince William Sue Over Royal Wedding Condoms?

How can all these companies be allowed to put Kate and Prince William's faces on questionable items such as sick bags and condoms? Surely they didn't agree to that. Could they sue these...

Source: http://feeds.eonline.com/~r/eonline/answer/~3/iiEZ8v2hcYo/b237515_could_kate_middleton_prince_william_sue.html

Melissa Rycroft Elisabeth Röhm Aki Ross Danneel Harris Lindsay Lohan