The question was then to think about someone I've seen wearing a cute-looking costume and the first image that popped out of my memory archives was, of course, PENNY (Kaley Cuoco), from the Big Bang Theory. I started looking at pictures and video clips from the show to get more familiar with her features and gestures and bam! there it was.
As usual, it took me a lot more time to work on her hair than anything else. Fortunately enough, I think I did an ok job with her.
Enjoy!