Ariana Grande

Ariana headlined the festival.

Three pop music superstars return this week with brand new music!

The new track drops this Friday.

The pop star said teasing new music gives her anxiety.

They're dropping all kinds of hints on social media.

Ariana donated her concert proceeds to Planned Parenthood.

It literally looks nothing like her.

Ariana gives a taste of what fans can expect from her tour!

Say it ain't so!

Watch the hilariously wild 'Earth' video featuring Justin Bieber, Ariana Grande, Ed Sheeran, Katy Perry and Brendon Urie as animals.