"Great job, Rhett. Nice voice...nice, man! Now, that's a guy that came prepared."

"Somebody warmed up!"

"I was just backstage watching this wonderful group...we're so happy to have you here."

"Fitting that "The prayer" is sung by the voice of an angel."

"Rhett Wheeler was allowed to sing before he was brought on stage to continue his performance. Since then, his video has gone almost viral, having been shared over 1200 times on Facebook, surpassing 105,000 views. Ariana's reported late arrival could have been the ultimate Christmas gift to the tale