NASHVILLE - Lorrie Morgan has filed for divorce from fellow country singer Sammy Kershaw, court records show.

Morgan cites irreconcilable differences in the Tuesday filings and asks the court to enforce a prenuptial agreement. The two have been married for six years and they separated two months ago.

Kershaw recently ran unsuccessfully for lieutenant governor of Louisiana.

Morgan has a home in Gallatin, about 25 miles northeast of Nashville, and filed for divorce in Sumner County Chancery Court there.

Kershaw is Morgan's fifth husband while Morgan is Kershaw's fourth wife.