Don't let the clothes or anyone define you...just be yourself whether in a pair of jeans or a ball gown.
My fashion secret is "SIMPLE IS BETTER...LESS IS MORE."
Be true to yourself. Never compromise.
I'm an easy date, as someone would say!
The advice I would give would be to know that it's ok and natural to be nervous. The key is to rehearse, always be yourself and don't be afraid to not be perfect as we all make mistakes.
I grew up in the church, singing in choirs, and I went to a performing arts school, and I had a gospel group, so music has always been in my blood.