Harris went on the Late Show with David Letterman on Monday, where he revealed some of the details of his private wedding, including that fact that Elton John performed a few songs, and even introduced the couple's first dance – Kelly Clarkson's 'A Moment Like This'
Harris also shared some touching photos of the magical night, including this loving pic of Harris and Burtka after tying the knot.
Harris also explained how the couple had found a local fireworks operator, and asked him to time a volley of dazzling fireworks to the crescendo of their first dance song.
According to Harris, neither he nor Burtka believed that it was likely to actually go off the way they intended, and when it did everyone was blown away by how perfect it was. Harris shared a photo of the newlywed's stunned and elated reaction.
Harris was on Letterman promoting his upcoming film Gone Girl, the Ben Affleck-led thriller directed by David Fincher. Check out the video below for a look at the star's powerful and disturbing performance in the hotly anticipated crime drama.