JSIMPSON051907_01.jpgJessica Simpson JSIMPSON051907_09.jpgJessica went back to blonde and she's also back to being escorted everywhere by Ken Paves now that she and John Mayer have allegedly broken up! Jess and Ken hit Cannes together last night to promote her new film, Major Movie Star, where Jessica cracked her infamous smile (which we haven't seen in a while) - thanks to Ken's clowning around!