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This is quite the opposite of horrifying ... Ariana Grande has been cast in Season 13 of "American Horror Story!"

She is joining a returning roster of Sarah Paulson , Evan Peters , Angela Bassett , Jessica Lange , Kathy Bates , Emma Roberts , Billie Lourd , and Gabourey Sidibe .

Ariana has worked with Emma -- plus 'AHS' creators Ryan Murphy and Brad Falchuk -- on the horror comedy series "Scream Queens." The show premiered in 2015 and ran for 2 seasons, notably also starring Lea Michele , Glen Powell , Abigail Breslin , Keke Palmer , and Jamie Lee Curtis . Alamy

It's unclear what this next installation of the FX anthology series will bring to TV screens, or when it will go into production.

Season 12's theme

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