Mel Gibson’s wife Robyn has filed for divorce after 28 years of marriage.

She is citing irreconcilable differences.

Rumor has it that the couple have been on the verge of a split since Mel’s 2006 arrest for driving under the influence. There are also rumors about a possible mistress of Mel’s.

The couple released the following joint statement:

“Throughout our marriage and separation we have always strived to maintain the privacy and integrity of our family and will continue to do so.”

Friends say the couple have been estranged for two years. They have no prenuptial agreement and were married before Mel was a mega star.

The couple have seven children, but only one who is a minor, Tom, who will be 10 tomorrow.

[TMZ]