What do guys like in a girl?

So I never dated someone and school starts so I want to look hot at first day of school.Im 13,4.10 I think,not curvy at all,I guess myb 35kg Idk,really dark brown hair and eyes and loooonnnnnngggg legs.
So Idk what shoud I wear.Shoud I have little bit of make up on?What hair style?
Can someone help me pls : )
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