could be real she's muscular as fukk all over and her thighs are thick as fukk.
It looks fake because she's wearing a butt lifter like this
it squishes in her thighs so that her thighs look smaller and her butt bigger.
you can see it in these pics and other:
her butt looks natural without it:
could still be fake tho since they now make fake ass that matches thighs.