Criticism is easy. Praise may take a bit more effort but is so much more satisfying for everybody:
The young lady in the video seems to be handling the unexpected attention very gracefully. I'd have gone as red as the caps that the flash-mobbers wore.
† For those who aren't from Pennsylvania and haven't seen the "Law & Order: CI" episode in which the phrase "redd up" is explained, see http://www.randomhouse.com/wotd/index.pperl?date=19980526.