I think how you want it (half up, straight) will look great! But the curls do look nice as well so really I'm no help at all.
We didn't do anything special for our FG's hair (TBH, I didn't even think about it

), one was really little so had one of those fountain ponytails on top of her head and the other just had her hair down (think MIL straightened it as well) with a headband and a little tiara.
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