Another celebrity couple bites the dust.
TMZ reports that Ashlee Simpson has filed for divorce from Chicago rocker Pete Wentz citing "irreconcilable differences." The two were married in 2008.
Simpson is seeking joint legal custody and primary physical custody of their 2-year-old son Bronx, according to TMZ.
The gossip Web site also cites sources as saying there's no pre-nup.
Wentz and Simpson were seen together in Chicago as recently as New Year's Eve, when they brought in 2011 at the Hard Rock Hotel.
The couple released the following joint statement:
