Ariana Grande

Ari also sent her love and well wishes to voters.

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

'Orlando was like, ‘Man, I have such mad respect for her.’'

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

The 6-year-old beauty queen was murdered in 1996.

Grande wrote the song with Victoria Monet.

The cast also includes Nicole Kidman and James Corden!

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

We are all for this collaboration.

It literally looks nothing like her.