Yung Gravy is getting a authorized Rick-rolling from the person himself … Rick Astley is suing the up-and-coming rapper for allegedly ripping off the singer’s voice from his hottest hit.

Astley filed authorized docs Thursday in L.A. claiming Gravy’s massively fashionable “Betty (Get Cash)” makes use of an impersonated model of his personal voice from 1987’s “By no means Gonna Give You Up.”

Within the docs, obtained by TMZ, Astley says Gravy and his producers — together with Dillon Francis — “conspired to incorporate a deliberate and almost indistinguishable imitation of Mr. Astley’s voice all through the music.” He is additionally suing Nick Seeley (aka Popnick), the vocal impersonator.

Astley says he by no means gave Gravy, or anybody concerned in “Betty (Get Cash),” permission to make use of or impersonate his voice — and since Gravy did so, he is spoiled any future likelihood for Rick to collaborate with one other artist sooner or later.

We should always say, nevertheless, Gravy did license the instrumental from Astley’s ’80s hit … simply not his voice.

What’s extra … Astley’s lawsuit factors to some examples the place Gravy allegedly claimed he knew he was in murky territory for impersonating Rick, together with an interview with Billboard the place he mentioned he “mainly remade” Rick’s voice, “as a result of it makes it simpler legally.”

“By no means Gonna Give You Up” was an enormous hit for Astley, capturing to the #1 spot. “Betty” has been Gravy’s most profitable music so far — reaching Gold within the U.S., Canada and Australia.