The entire One Love Manchester concert that took place at the start of the month was undoubtedly an emotional affair all round, but a new video has emerged of behind-the-scenes footage from the event.

Shared by Katy Perry, it features her hanging out with the likes of Justin Bieber, Miley Cyrus, Niall Horan and more, as well as her warming up and preparing to take the stage.

She also shares a touching moment with Ariana Grande after coming off stage.

Watch it below: