Are there supposed to be tiny spaces in between teeth after Braces? (photo)

I'm getting my braces off tomorrow and I'm nervous I won't like the way my teeth will look because there's a tiny space at the bottom of my front 2 teeth and a tiny one at the top of them. Also there's tiny space inbetween the teeth next to my front 2 teeth. Also can I ask to file my teeth down into a more square shape??

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