Holiday? Hard-working Justin Bieber is busy promoting his book, headphones... and nail varnish

http://www.youtube.com/watch?v=sjULXTY4ivQendofvid[starttext]By DAILY MAIL REPORTER To forever: Justin Bieber talks to the Today Show about his new autobiographyIt might be a national holiday, but Justin Bieber didn't build up his empire by relaxing.As teenagers around the U.S. hit the malls and relaxed in front of the Thanksiving television, the 16-year-old pop sensation was hard at work.The