I was thinking that, it looks like the bit where you would usually have hip indents. I think the implants have made it look even more prominent and super weird compared to her natural butt as they’ve been effectively stuck on next to itWith regards to her back I think it's just fat tissue on the tail bone. I know someone who had it and she was a size 8 but the lump was natural yet quite sizable.
That area with me dips in a lot like a dent.
I'm suprised its not photoshopped down like the rest of her