This Celine Dion superfan isn’t "all by himself" anymore -- he finally met his idol!

Richard Dunn became an Internet sensation a few weeks ago when he posted a viral video of himself singing Dion's classic hit, "All by Myself," while stuck at McCarran Airport.

"What do you do when you're stuck at the Las Vegas Airport overnight?" a message read at the beginning of the clip. "Shoot a music video on your iPhone. That's what." Dunn then lip-syncs the entire ballad while roaming throughout the empty airport.

Touched by his "hilarious" tribute, Dion reached out to her dedicated fan with a YouTube video of her own after Dunn's made headlines.

"Next time, you know, you're stuck all by yourself at Las Vegas airport for hours and hours, please be my guest at my show," she said in the June 12 clip. "By the way, Richard, you're more than welcome to use my bathroom. So I hope to see you soon!"

Dunn took her up on the offer over the July 4th weekend, with his family in tow!

"This is a once-in-a-lifetime memory I never thought would happen but will last forever," he told the Las Vegas Sun.

Talk about a dream come true!

Watch Dunn's original video above and Dion's response below.

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