What haircut should i get?

Ok, basically i have long hair just right underneath my boobs and my hair is dark, dark brown i had a side frindge but it kindea grew out and i have like 3 layers in my hair but they have grown too and they look slightly wonky and i dont like them anymore, do you have any haircut suggestions? I have thin hair so keep that in mind im 13 if that helps amd i dont want a bob or shoulder length haircut as im trying to grow my hair out! Plz help 10 points and it would be nice if you include pictures! :)