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By Ree Hines

"Duck Dynasty" fans Mehgan Cook and Charlie Miller almost called off their big day when they learned that star Willie Robertson would be signing autographs at the opening of a new Field & Stream store near Pittsburgh at the same time as their planned vow swap.

“I was going to cancel the wedding ‘cause I heard Willie was coming,” the bride told KDKA 2.

But rather than call it off, the couple was able to move the wedding to the very same Field & Stream store in hopes of seeing the Duck Commander CEO. Not only did they see him, he crashed the wedding.

Robertson surprised the bride, who dressed in white with a bold camo sash, and the groom, who sported a camo T-shirt and safety orange headgear.

“That’s a first for me," the reality TV star said during the event. "It’s good to be a part of that. They look like my kind of folks with the camouflage."

He even had advice for those folks.

“Love each, forgive each other,” he said. “Watch my show from the other night when my mom and dad got remarried. That should give you all the basics you need to know.”

Robertson's parents renewed their vows for their 49th anniversary on the "Duck Dynasty" season premiere. The broadcast drew 11.8 million viewers, making it the most-watched non-fiction series telecast in cable TV history.