They'll just have to copyright their Name, Image and Likeness, similar to NCAA athletes, so that they can only make money off of their likeness, and companies have to pay them to use it. Unfortunately, it will take time for the law to catch up with the tech, which means that such AI generated porn will run around the Internet and will require some C&D issuance to curb it's spread.
Everything between 1 and 10 can be cut by 75%, easy. "Getting the band back together" was all most people cared about.