I don't think you can really turn celebrities into MS characters unless you're the author of My Immortal. At any rate it would be hard for either of them to become Mary Sues because they'll eventually be in a controversial relationship.
heeey :) welcome to mibba!!
would you mind reading my newish frerard story?
and possibly comment and subscribe? :D
thanks
http://stories.mibba.com/read/194928/Franks-way/