Answer:
I make a living following the wealthy and beautiful.
I run up and down the stairs without moving. What am I?
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
I love to twist and dance. Though wingless, I fly high up into the sky. What am I?
As I went over London Bridge I met my sister Jenny; I broke her neck and drank her blood and left her standing empty.
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.