Demi Lovato

'Rocky gets knocked out by his long-lost daughter, Roxana,' Stallone captioned an Instagram photo of the duel.

Demi Lovato is confident that the image being perpetuated by Taylor Swift's squad is 'not realistic.'

Selena Gomez, Ariana Grande, Halsey, Tinashe, Britney Spears and more—who rules as the ultimate Princess of Pop in 2016?

Demi Lovato and Miley Cyrus are now tattoo twinsies.

Sleigh Bells claim elements of a 2015 Demi Lovato song are similar enough to their 2010 track to warrant copyright infringement.

After Kim K. unveiled video on Snapchat of Taylor Swift and Kanye discussing 'Famous,' pop stars, celebs and squad members weighed in on the battle.

Looks like it was a great Saturday night in Portland!

We hate to name drop, but on the rare occasion we get a huge celebrity on the Z Morning Show, we MUST brag about it

Happy 4th of July! Celebrate the stars and bars with all-American jams from Katy Perry, Demi Lovato, Taylor Swift and more.

She also asked her followers to vote in a poll asking whether they could "name someone on the FBI's top 10 most wanted list."