Simpson, Piazza end relationship Ashlee Simpson and boyfriend Vincent Piazza have called it quits, Us Weekly reports. The singer-actress and "Boardwalk Empire" actor were dating for about a year and a half. They were first linked in June 2011, according to the magazine. The long distance between the two was cited for the breakup, Us reported. Before dating Piazza, Simpson was married to Fall Out Boy's Pete Wentz; they have a 4-year-old son named Bronx.