Ariana Grandeis apologizing to her fans after she made an insensitive joke about slain 6-year-old pageant princessJonBenét Ramsey.

On Sunday, Grande’s friend Doug Middlebrook shared an Instagram photo of JonBenét on a newspaper cover, along with the caption: “No one has done more covers.”

Grande, 26, commented, “I can’t WAIT for this to be your halloween look,” to which Middlebrook wrote back, “Working on it already.”

Grande quickly found herself in hot water with many social media users calling her out on Twitter and re-posting her since-deleted comment.

Middlebrook has also deleted his post.

“I need people to stop with this strange, very unnerving JonBenet Ramsey obsession.Jeffree Starhas her tattooed on him.Ariana Grandeis endorsing her as a Halloween costume. She is not a character or celebrity. She is a little girl who was murdered. It’s cruel and gross,” atweetread.

“Ariana Grande& her friend doug make a joke about the tragic death of a child that was abused, tortured and murdered was so immature and cruel,” a different userexpressed.

“Wait WHAT?? an 8-year-old girl who was violently killed, strangled and suffocated cannot be anyone’s costume,” one userwrotealongside screengrabs of both Grande’s comment and Middlebrook’s post.

Grande laterresponded to the tweet, writing, “yeah no i deleted it very quickly and understand that it’s not at all funny. this was out of pocket and i sincerely apologize.”

Nonetheless, fans admitted they were still disappointed in Grande for not realizing the gravity of the situation sooner.

“Girl it was up for a whole day… u didn’t delete it ‘very quickly,'” one usersaidof the comment.

A rep for Grande did not immediately respond to PEOPLE’s request for comment.

David Becker/Getty

Ariana Grande

Later that morning, JonBenét’s body, beaten and strangled with a garrote around her neck and duct tape covering her mouth, was found in the basement of the family’s Tudor brick home.

Police are still looking for the killer.

source: people.com