Can a groupie have a groupie? If so, what does that mean?

Can you be famous for hanging around with someone who is really famous? Is this reflected fame, or is it fame in it’s own right? Would the fame go away if the first level famous person stopped being famous?

What is the significance of being a groupie of a famous groupie? Why would anyone be a groupie at all? Is it a sort of a pyramid club of achievement? Glory of association? A sign of low self-esteem? A sign of lack of talent?