I'm 16 years old and I look like a 12 year old.

people think im in year 7, and I can only get younger dates and its really annoying me now.
i have blonde long hair ( a bit longer than me shoulders)
and jst under 5ft

i'm sick of this.. what should I do?

Cut your hair bit more... maybe it will look like your taller. Like , neck line

im 14 and people think im 17 or 18 and that pissz me of cuz I have all these dudes on to me