Ariana Grande

The song is featured in Grande's favorite movie 'The First Wives Club.'

Watch the three pop stars' angelic new video!

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

She filed a $10 million lawsuit.

The singer beat megastars like Taylor Swift and Cardi B.

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

Ariana headlined the festival.

The fans were staring at Harry's moves during Ariana's show.

Take a look at Ariana's hilarious new video!

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