Halsey is planning to write songs for her third album on tour with pop pal Charli Xcx this autumn (17) in a bid to keep her bipolar disorder from becoming a problem.

The singer, real name Ashley Frangipane, admits she often battles depression on tour, but has found that keeping herself creatively active helps her stay focused.

"Having a creative outlet for anyone with a mental illness is your best bet," she tells Billboard in a new joint interview with Charli. "I’m writing my third album on tour, so (producers) Benny (Blanco) and Cashmere Cat are coming too."