After thinking about it, yeah, maybe videos nowadays are being retouched, and I'm pretty sure they have been for years. Usually the lighting is retouched, but I know artists look sharper, cleaner, and better looking after the final edit.
Some people don't want to watch her videos in HD and see all her wrinkles and imperfections

lol
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♥ Ayu fan since September 2006 ♥
Ayu Concerts I've Attended:
ASIA TOUR 2008 - June 29, 2008
ARENA TOUR 2009 - June 20, 2009 | June 21, 2009
ARENA TOUR 2012 - April 7, 2012 | April 8, 2012