The Simpson sisters are 0 for 2 when it comes to marriage: Ashlee Simpson today filed for divorce from rocker hubby Pete Wentz, who she married in May 2008. Sources tell TMZ there is (shocker!) no prenup. On Simpson's wishlist: joint legal custody of 2-year-old Bronx Mowgli, primary physical custody, and spousal and child support. Click to read the couple's joint statement.