Demi Lovato

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

And we love them for it!

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

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

Demi called out the social media platform after encountering a harmful, problematic advertisement on her feed.

Since leaving rehab, Demi Lovato is reportedly under the care of a 24/7 sober coach.

Pop star Demi Lovato will reportedly remain in rehab until the end of the year.

The singer's mom announced Lovato's big accomplishment.

Demi Lovato emerged from rehab on Sunday (September 23) looking calm, happy and healthy.

'I literally start to shake a little bit when I start to remember what happened that day,' Dianna De La Garza said in a new interview.