They're all good, but Nos. 3 and 4 look most like my sister with that winning smile.
Oh totally number 5. You look like you are thinking something naughty. I always tell my photo subjects to look at the camera and think a specific kind of thought.
It really comes through the photo. Those are always the pix with the personality.
Number Five you are TOTALLY thinking something coy and coquettish.
Hurray! I'm the first to vote!! # 2 aLL THE WAY