ariana grande

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.

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

Grande gave advice to models out there.

Check out 30 of Ariana Grande's best red carpet looks.

The pop trio teamed up for a new 'Charlie's Angels' song.

The pop star is taking her love for the actor to the next level.

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

It was an emotional night for the pop star.

Ariana donated her concert proceeds to Planned Parenthood.

Miley gave a shout-out to Ariana in her new promotional video.

This is the real reason why the singer had to postpone a couple shows.