Is this a cute outfit for the Jonas Brothers concert?

Im wearing a jean skirt or jean shorts with a neon yellow undertop under my bright blue top that is a fanmade shirt and i wrote stuff on it also im probably gonna wear my bright red jonas brothers sunglasses… how should I do my makeup? and what about shoes? just my flipflops? or something cute like flats?
ps, i have great seats so wanna look good !!

jonas brothers concert