Demi Lovato

The song appears on her upcoming album.

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

Did your faves make the top five?

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

More people googled Demi than Meghan Markle or even the Kardashians this year, plus see other top searches.

The 2019 Grammy nominees are...