Ariana Grande

'I shanked her with my nail!'

Ari and Gaga released an EPIC music video.

Listen to Lady Gaga and Ariana Grande's epic collab.

The pop stars also unveiled the track's stunning cover art.

See how all of the stars are celebrating while in quarantine.

There are songs out there that, for whatever reason, just seem to stick.

Ariana shared her thoughts on social media.

Billie praised Billie Eilish while shading Ariana Grande.

See the good, the bad and the yikes from the 2020 Grammys red carpet.

See photos from the 2020 Grammys red carpet.

Our favorite, once-inseparable celebrity besties and their unfortunate fallouts.

From Rihanna to Lana Del Rey, check out 25 times celebrities took the time to fire back at fans.