Frankie Grande, Ariana Grande

Debra L Rothenberg/FilmMagic

If you diss Ariana Grande's brother, you better be ready for the fiercest comeback ever!

An Instagram user recently commented on the singer's profile and made an anti-gay reference to her bro, Big Brother star Frankie Grande, by calling him "that homo." You can bet it wasn't long before Grande blasted the Internet troll with an epic rant.

"That ‘homo' is the fiercest, most incredible, funniest, most intelligent, kind hearted and most LOVED person on the face of the planet!" the 21-year-old allegedly posted.

Grande went on to reference Frankie's recent Big Brother confession about being related to the pop star, writing, "he also cleaned up his game and told the truth to everybody in the house WHICH by the way, nobody else on the show has done. so i don't give a flying f--k if or when he comes home!!! he is incredible and i am SO proud!!!! oh and also ‘that homo' gets more ass than you'll ever get in your life. k miss thing?"

Oh snap! Way to go, Ariana!

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