Honeymoon season kicking off on the right note!

Katy Perry continued her pattern of crashing weddings over the weekend when she made a surprise appearance at the nuptials of one St. Louis, Missouri couple. The "Swish Swish" songstress was in town for a concert and staying at the Four Seasons Hotel at the same time Blonie Dudney and Hayley Rosenblum tied knot, making for one unforgettable opportunity to celebrate the bride and groom. 

Wedding photographer Ray Prop tells E! News the reception was winding down when approximately 30 to 40 people began dancing through the venue in a train formation. "Mixed in with the sea of high-end tuxedos and formal evening gowns," he recalls, was Katy and her band wearing "sunglasses, tank tops, jeans, bandanas and backward hats."

Katy Perry, wedding crasher

Courtesy Ray Prop Photography

"They were loud, they came to party, and they were on their way right to us!" he shares. 

"All of a sudden," Prop adds, "the crazy human-train stopped right at the bride and groom and a woman with short blond hair in a baseball cap said, 'Do you mind if we crash your wedding?'"

Katy Perry, wedding crasher

Courtesy Ray Prop Photography

That woman was, of course, none other than the world-famous pop star, who totally kept the party going by taking several photos with guests and dancing the night away with Blonie and Hayley. 

After congratulating the newly minted married duo, Prop says, "Katy pulled the bride and groom onto the dance floor and that's when things got a bit crazy."

Footage from the impromptu celeb sighting sees Katy and the blushing bride bumping and grinding to Justin Timberlake's "Sexy Back." 

An attendee told The Kansas City Star that Perry and her entourage stuck around for about 10 minutes and described her arrival as the "icing on the cake" after an "absolutely stunning" wedding ceremony. 

And Katy isn't the only familiar known for popping in to say hello while couples exchange vows. Scroll down to check out even more celeb wedding crashers!

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Katy Perry, wedding crasher

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Macklemore, Wedding Crasher

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