Denis Leary Mocks Letterman For Not Getting Hitched Sooner (VIDEO)

05/05/2009 05:12 am ET | Updated May 25, 2011

Denis Leary appeared on the "Late Show" last night to promote the new season of "Rescue Me," and ended up talking more about Dave's recent nuptials than the show. Letterman recently married Regina Lasko, his long-time girlfriend and mother of his child. Leary was awed at the fact that Letterman dated her for 23 years before getting hitched and that she allowed that to happen.


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