If you log into http://www.youtube.com/TheRealAlysonStoner there is a link to contact her.  On her web site there are several addresses but they are for business people who want to contact her manager, at least that’s how it looks, but you can try leaving her mail there also.  On her YouTube site, it says that you can contact the real Alyson Stoner by leaving a message, so it’s worth a try.  There is also a contact link on Alyson’s MySpace page.  If you really want to contact her, why not try all of these links.  If whoever does answer her mail sees all of your sincere attempts to get a message to her, they will honor your efforts and you will get a reply.  She appreciates her fans or she would not have put up so many places where people can post comments and reach her by e-mail.