Kimberly filed for divorce in March, stating that the marriage had become "insupportable because of discord or conflict of personalities".
However, the Travis County Clerk has confirmed that Kimberly filed a "notice of nonsuit" on April 26, TMZ reports. The reason for the nonsuit is not known, but it would appear that the two have reconciled.
Dennis has been married three times, first to PJ Soles and later to actress Meg Ryan for ten years. He welcomed twins with Kimberly in 2007.
He confirmed the news of his impending divorce in March, asking for privacy.
Dennis recently joined the cast of a CBS pilot, in which he will play a Las Vegas sheriff.