Ashlee Simpson-Wentz and Pete Wentz set to guest star as "Bonnie and Clyde wannabes" on an upcoming episode of CSI: NY to be broadcast Wednesday, March 18 (10:00-11:00 PM, ET/PT) on the CBS Television Network.

Simpson-Wentz will play Lila Wickfield, a 21-year-old hotel cleaning lady who is working her way through community college, and Wentz will play her boyfriend, Chester Bryon.

Pop singer and actress Ashlee Simpson-Wentz television credits include 7th Heaven and Malcolm in the Middle. Pete Wentz is the bassist and primary lyricist for the Chicago-based band "Fall Out Boy."

CSI: NY, a crime drama inspired by the drama series CSI: Crime Scene Investigation, is about forensic investigators who use high-tech science to follow the evidence and solve crimes in the Big Apple.