Newlywed Pete Wentz told Ryan Seacrest on his radio show that he and wife Ashlee Simpson have a pre-nup saying, “We have signed a pre-nup.” Wentz said he wasn’t sure what Ashlee’s plans for her stage name was. “She legally is a Wentz…I dont know what she’ll do with her stage name, that’s up to her. She hasn’t decided that.” ...