Carrie Underwood Falls Off Stage on Tail End of South Carolina Concert | TMZ TV

Carrie Underwood Falls Off Stage on Tail End of South Carolina Concert | TMZ TV

The singer was the headlining performance Sunday night at the Carolina Country Music Fest in Myrtle Beach -- where she put on one helluva show that ended up getting highlighted by the fact there was a downpour that seemed to come out of nowhere toward the end.