interesting shot! the girl's face is very lovely and sweet, but you also captured a sense of disruption and lack on innocence in her life. very intriguing photograph. reminds me of some of the works of Gerhard Richter
This goes deeper and has no comments...see what I mean...I think what makes the expression and blur work most effectively here is the vividness of the three major colors eyes/lips/hair - blue/pink/yellow...