Demi Lovato

From Katy Perry to Justin Bieber, here are some of the biggest names who have had beef with pop star Taylor Swift.

The pop star is stepping away from Instagram for a 'little while.'

'I’M RIGHT HERE MIKE I’M RIGHT HERE BOO.'

The pop star had the BEST response.

The new ink proves the pop star is committed to putting herself first.

The pop star told fans what they can expect from her new album.

Demi Lovato will make her comeback much sooner than we thought.

The exes could not stop gushing over one another.

Demi Lovato's got a major hair makeover.

'I AM MORE THAN MY WEIGHT."