Randy Jackson's wife files for divorce after 18years of marriage

Randy Jackson's wife Erika Jackson has filed for a divorce from the former 'American Idol' judge, it has been revealed.

Erika has cited "irreconcilable differences" in her divorce petition, TMZ.com reported.

She has also demanded full physical custody and joint legal custody of couple's minor son, 17-year-old Jordan along with spousal support.

The couple has been married for 18years.

This is Randy's second marriage and has one other daughter from his prior marriage.