Famousosity 

The act of being famous when you really haven't done anything to be famous but your head and ego are absolutely huge.

I have way more famousosity than you ever will because I have been re-tweeted by famous people.

Famousosity by Swpagrl October 12, 2012

famousity 

all thoughts, actions, and events that occur after one has been declared famous by a reputable source; the life of a famous person.

Yet through hard work and perseverance, Shel Silverstein earned himself a life of famousity.

famousity by CaptainObvious:) February 15, 2010