Shawn Mendes gave one special fan a moment she'll never forget.

"Got a kiss from a little Angel in Denver the other night x," the singer, 20, wrote Thursday, next to an incredible video.

In the short clip, you see him hit the front row, one fan smiling and Mendes leans down to give her a hug and she returns the favor with a sweet kiss on the cheek.

As you can imagine, the reactions have been those of joy and love.

"Why are you the sweetest boy in the world," Halsey commented on the clip.

Zak Abel added, "Class" and Toni Cornell wrote, "Omg Most adorable thing I’ve seen today."

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St. Louis ♥️🌸

A post shared by Shawn Mendes (@shawnmendes) on Jul 1, 2019 at 11:27am PDT

Mendes is currently on tour, this stop in Denver, and loving every second of it.

Earlier this week, he posted a video from St. Louis, jamming out and smiling ear to ear. Odds are, that little girl is also still smiling after her encounter with the sweet rocker.