What is Katy Perrys new song called?

Katy Perry's latest single is titled "When I'm Gone," featuring Alesso. This dance-pop track was released on December 10, 2022, and is one of the singles from Perry's upcoming 2023 album, "Witness." The song is about the beauty and importance of living life to the fullest, even in the face of adversity, and encourages people to find their strength and resilience in difficult times.