He and British model/writer Helen Labdon plighted their troth Saturday in Sussex, England, after a six-year courtship. It's the first marriage for both.
Kinnear, 35, and Labdon, 28, swapped vows at the Boxgrove Priory, an 11th century church, before retreating to the Goodwood Estate for the reception.
For you Joan Rivers types out there, the groom was decked out in an Armani tux, the bride swathed in a Vera Wang number.
The newlyweds are honeymooning in an undisclosed location before returning to their Los Angeles homestead.
After graduating from Talk Soup in 1994, Kinnear went on to host his own NBC late night talk show and star in films like Sabrina and As Good As It Gets, for which he picked up an Oscar nomination as Jack Nicholson's gay neighbor.