You are just awesome! Loved the vid. You got the talent and tons of cute. Go, girl, go!
I will politely disagree with my friends here about you moving to a tenor or a concert. I like the sound of the soprano. If you wanted to get more mid-range and bass tones in your performance I would add a tenor or baritone as another layer. But I think the soprano goes very well with your voice.
Rock on!