Nikki portrait II Color process December 31st 2012

I have been working on this sketch of Nikki from 7:39 P.M. till 11:17 P.M. on December 12th 2012. I still have more to do on the hair. Then I continued back again on December 14th 2012 between the time of around 2:18 P.M. to 3:53 P.M.. I once again continued back on this drawing on December 15th 2012 from around 2:00 P.M. till 3:54 P.M. I then continued to color this drawing around 8:00 P.M. to 11:02 P.M. on December 15th 2012. Continued again on December 16th 2012 from around 7:00 P.M. to around 9:20 P.M.. Then I continued for another 30 minutes between 11:00-11:30 P.M. on December 16th 2012. Then started back up on December 18th 2012 between around 9:20 P.M. till 10:41 P.M. On December 19th 2012 I worked on it between 4:21 P.M. to 4:41 P.M. I continued working on this drawing on December 31st 2012 between 12:09-12:17 then stopped and went back on it between 12:23-12:44 in the afternoon.