“They're starting any minute," someone else added impatiently.

“The other teams' backing vocals are already on stage. Where are theirs?"

Some speculated critically, “Could Ariana's tiny company not book anyone?"

At that moment, the backstage door swung open dramatically, and a familiar figure strode onto the camera, instantly electrifying the livestream with astonishment and excitement.

It was none other than the global pop diva herself, Sarah!