Ariana Grande has called on some big names to throw a benefit concert for the Manchester victims.

We all know about the horrible attack during an Ariana Grande show in Manchester. Now she's trying to do what she can to help the poor victims. She sent out the call to basically every pop star she could to come an join the show.

According to BBC, the show is scheduled for Sunday June 4. The show will include Katy Perry, Usher, Miley Cyrus, Niall Horan and more, according to Newser.

Check out Ariana's Instagram post...