LOS ANGELES - CBS says pop star Taylor Swift will appear on an episode of 'CSI: Crime Scene Investigation'.

Swift will play a teenage girl whose family manages a seedy Las Vegas motel and who undergoes personal changes that have tragic consequences. CBS didn't announce the air date for the 'CSI' episode.

The 19-year-old country crossover singer was 2008's best-selling artist, with more than 4 million albums sold. Her sophomore effort, 'Fearless', debuted at No. 1 and includes the hit single 'Love Story'.

'CSI' says goodbye this week to star William Petersen. Laurence Fishburne has joined the series as a new forensics investigator. -- AP