How to lose butt and thighs weight?

Ok so I'm 70 KG and my weight is all in my butt and thighs,

I have no tummy , my arms are okay everything else is OK, but my butt and thighs are huge ,!

It doesn't match my upper body , its exactly like a vace. And I want it to be perfect .

What to eat ,and what to do..
How to lose butt and thighs weight?
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