Ariana Grande

Grande thinks Mac was taken advantage of.

The singer beat megastars like Taylor Swift and Cardi B.

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

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.

Take a look at Ariana's hilarious new video!

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

Grande wrote the song with Victoria Monet.

The singer admitted she 'didn't know' her ex-fiancé.

The pop star admitted she was 'so sad' and 'so drunk' following his death.

These Hollywood stars have publicly supported the right to abortion access.

The pop star woke up 'incredibly sick.'