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Vin Diesel Sings 'See You Again' For Paul Walker And We Have So Many Emotions

He even calls him Pablo. How adorbs.

Vin Diesel sure knows the fast and furious way to tug on our heartstrings tonight.

He hit up the 2015 MTV Movie Awards to dole out the first prize of the night -- that is, the Best Female Performance popcorn for Shailene Woodley in "The Fault In Our Stars" -- and in the process, he earned a few happy tears of his own.

That's because the "Furious 7" star used his precious presenter stage time to commemorate his fallen comrade-in-muscle-car-movie-arms, Paul Walker.

"The last time I stood on this stage, it was with my little brother Pablo," Vin said with a twinkling smile before proceed to belt out an impromptu rendition of Wiz Khalifa's "FF7" soundtrack song, "See You Again."

Watch below ... unless you forgot to wear your waterproof mascara tonight.

We are at once ruined and so happy.

"See You Again" was co-written by Wiz Khalifa and Charlie Puth for the "Fast 7" soundtrack album, and Diesel originally shared the vid -- which, by the way, has a super feel-inducing montage music video -- on his Facebook page with the message, "Pablo, this weekend you turned the world into a family... Thanks for the love..."

Big guy = big heart. Love.

And here's what Vin had to say about his big musical moment.