Has Jessica got more juice?

Seems Jessica Simpson may not just have a big head, but also a big mouth. The New York Daily News says that Jess is in discussions to have a sit-down with Diane Sawyer about her marriage to Nick Lachey. Because clearly after watching them on television for the last three years, we might not have been able to see the split coming. While a representative for ABC claims, “Diane has interviewed Jessica in the past and would welcome the opportunity to sit down with her again,” Jess’s publicity-crazy camp surprisingly refutes the story and says she doesn’t have any plans to dish the dirt on her marriage. Which wouldn’t really even be a first, given we all watched how Jessica often evaded anything having to do with dishes or dirt during the course of her three years on Newlyweds…