Halsey

From Halsey to Demi Lovato, see all the best Halloween costumes so far.

Listen to Halsey's heart-baring new single.

The pop star also shared personal never-before-seen photos of them.

The pop star's new look is banging.

The important thing is to get back up and dust your shoulders off — the show must go on!

'He's the coolest guy in the music industry.'

Many celebrities have shown support for Swift.

The pop star opened up about needing rehab after fame.

The two just proved relationships don't need a label.

Listen to Halsey's new song.