Ultimately, the most important thing to remember when dressing for opera is to be yourself. Don't try to be someone you're not or wear something that makes you feel uncomfortable. The opera is all about enjoying the music and the experience, so make sure you're wearing something that makes you feel confident and happy.
And trust me, if you're feeling good about what you're wearing, you'll have a much better time at the opera. You'll be able to relax and enjoy the performance without worrying about what you're wearing. So, go ahead, get dressed up, and have a blast at the opera!