'I watched her career dissolve and it fascinated me,' Halsey spat.
Halsey's 'hopeless fountain kingdom' earned the artist her first Billboard No. 1 album.
Their obvious chemistry had the audience cheering in support.
Yup, 2016's most popular song could've gone in a veeeeery different direction.
From Halsey to Lana Del Rey to HAIM, these are the songs we kept hitting repeat for in the first half of 2017.
From the ever-beautiful Keke Palmer to the prepossessing Halsey, these famous females have all embraced the beauty of the big chop.
From Noah Cyrus to Carly Rae Jepsen to Nick Jonas, these are the best songs that New Music Friday has to offer
Halsey and Lauren Jauregui's 'hopeless fountain kingdom' collab, 'Strangers,' is 'a love song for the LGBTQ community.' Listen to the track now.
From Lorde's 'Melodrama' to Kelly Clarkson's long-awaited return after a label switch-up, these are the albums we can't wait to hear coming later this year.
From a big-time performance from Camila Cabello to The Chainsmokers' continued dominance of Billboard, there was a whole lot going on.