I Now Pronounce You Chuck & Larry 2007

Larry calls in that favor big time when civic red tape prevents him from naming his two kids as his pension beneficiaries. All that Chuck has to do is claim to be Larry's domestic partner on some city forms. They think it will be easy because nobody will ever know. After Chuck agrees to the ruse (though reluctantly so, due in large part to his notorious womanizing), the two men go to Niagara Falls to get married, and Chuck moves in with Larry and his unsuspecting kids.