Halsey is going to be kicking off a new year and new decade Down Under, playing Falls Festival around the country but she’s squeezing in a few surprises before 2019 is over.

"I have two new songs coming and a music video [coming],” Halsey revealed to triple j Breakfast.

“Then, at the start of the new year right around the album coming out, there’s going to be a bunch of stuff coming at the top of January.”

That’ll be her third album Manic, which Halsey has been hyping up with the release of singles like ‘Graveyard’ and ‘Nightmare’. She gave a technicolour performance of the former at the American Music Awards; “That is actually part one of the performance, part two is tonight at the ARIAs."

That's right, after showering off and hopping straight on a plane to Australia, she's taking part in Wednesday night's ARIA Awards ceremony.

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Halsey also spoke about Manic, her most personal album to date, which captures the ups and downs and emotional extremes of what's she's been through.

"The album touches on my experiences with manic depression but it’s not a mental health album," she explained. "The best way I could have described myself at the time of making it was just manic, so, I wanted every performance to feel manic.”

Released earlier this year, the tougher ‘Nightmare’ was intended to be the lead single and guiding tone for Manic, but she switched gears and kept it off the album “because it’s not what it’s about anymore.”

Instead, she made ‘Graveyard’ the official lead single. “It’s my favourite kind of Halsey song because it sounds really happy but secretly it’s really dark. One of my favourite tricks to play.”

She also talked about the best advice she's received, evolving as a pop star, relationship red flags and the next evolution of Halsey. Watch below.

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Falls Festival 2019/2020

Lorne VIC: Saturday 28 - Tuesday 31 December (18+)

Marion Bay TAS: Sunday 29 – Tuesday 31 December (all ages)

Byron Bay NSW: Tuesday 31 December – Thursday 2 January (18+)

Fremantle WA: Saturday 4 and Sunday 5 January (18+)

Watch Halsey and Yungblud go emo on a Death Cab For Cutie classic in their Like A Version below.