Ariana Grande

Watch the three pop stars' angelic new video!

She brought 'a little bit of earthiness into it.'

She filed a $10 million lawsuit.

Demi clarified her statement on Instagram.

Find out who will walk away with a Moonman this year!

Ariana headlined the festival.

Celebrities are sharing their thoughts on the Amazon Rainforest's fires.

'A perfect glimpse of how f---ing happy and rad my birthday is this year.'

She said she'll cherish the moment forever.

From donut-licking to (fake) severed heads, these celebrity antics had us in a tizzy.

From Miranda Cosgrove to Amanda Bynes, see what your favorite Nickelodeon stars look like today.

The important thing is to get back up and dust your shoulders off — the show must go on!