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And that's exactly what one Illinois couple arranged for, and boy, will they never forget it.
Angie Blumberg and Jayce Conway, both 30, married in Big Sky, Montana, on July 28 with their Labrador retriever, Boone, standing dutifully by their sides.
But when it came time to snap some photos for the wedding album, the 6-year-old dog decided to get in on the action by hilariously photobombing a picture-perfect shot.
According to the couple, that photo was taken during the opening prayer.
"He's a really well-trained dog," Conway told TODAY. "I planned for him to stand between me and my brother. Boone was technically the best man, but he couldn't really give a speech so I thought I should give my brother a shot," he joked.
"While everyone in the procession walked down the aisle, he stayed in his spot, exactly where he was supposed to be," said Conway, "until he saw Angie, and then he just couldn't resist going over to say 'Hi!'"
"And then during the ceremony he decided to walk to the middle and roll happily in the grass a few times," added Blumberg.
Chris Davis, a friend who photographed the wedding, seized the opportunity to take the viral photo.
Since it was posted, the photo's gone viral with more than 50,000 shares on social media.
"We didn't really know it went viral until recently," said Conway. "Last thing we knew, our friend, the photographer, texted us the photo on the night of our wedding and we were just dying laughing."
Blumberg and Conway grew up together in the small Illinois town of Freeburg, and were best friends for a long time until they both moved away for college. But the pair reconnected at a friend's wedding five years ago and have been dating ever since.
Blumberg recently got her doctorate's degree in British literature and will be moving the gang to Auburn, Alabama, to begin teaching at Auburn University in the fall.
So it's on to the next chapter for Boone and family. Here's to many more photobomb opportunities down the road!