Your wedding day is supposed to be one of the happiest and most exciting days of your life. Months of planning and preparation go into the special day, and when something doesn’t go according to plan, it can be stressful.

Most unexpected events during weddings aren’t fun, but fortunately, Tricia’s surprise on her wedding day left her crying tears of joy.

Tricia and Neil had planned out every detail of their wedding months in advance.

As the two said their vows after Tricia walked down the aisle, everything was going according to plan. However, their guests had a different idea in mind. As they spoke, a voice piped up near the back of the church.

Tricia and Neil were surprised, and they hoped it wasn’t someone objecting to their marriage. They soon figured out what was going on, though, when more and more voices joined in. The group of wedding guests sang a beautiful rendition of “How Great Thou Art,” and as they finished the song, Tricia started bawling.

Many talented musical groups have performed arrangements of “How Great Thou Art,” but this group’s performance is especially heartwarming.

The friends and family members involved in planning the flash mob knew that Tricia and Eric would love the surprise, and they kept their performance calm, respectful, and tasteful.

The song had a huge emotional impact on Tricia, Eric, and the other wedding guests, and it was a moment that happy couple will never forget.