Mariah Carey Cracks a Joke on Ariana Grande's Instagram!

Mariah Carey and Ariana Grande are quickly becoming buddies!

The Caution diva left a funny comment on the Sweetener superstar’s Instagram on Saturday (February 22).

PHOTOS: Check out the latest pics of Mariah Carey

Ariana posted a picture with Jim Carrey ahead of her guest appearance on his Showtime show, Kidding.

“With my cousin Jim who insists on misspelling our last name 😂😉,” Mariah amusingly commented, referring to their “Carey” and “Carrey” last names.

Check out the post, as well as a preview of Ariana Grande‘s cameo inside…