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 told fans what they can expect from her new album.

So many stars have had their privacy invaded.

And we love them for it!

Check out 15 celebrities who made a dramatic exit from social media.

The pop star recently took to Instagram to call out designers who won't dress her for the Grammys because she's 'too big.'

Celebrities are getting in on the #10YearChallenge fun, sharing old photos of themselves.

The two have been friends for years.

The 2019 Grammy nominees are...

Lovato was hospitalized earlier in the week after a reported overdose.