Is it normal that i imagine others watching me?

I imagine people watching me all the time. But not in a creepy way, more like in an exhibitionist way. (Even though I am shy and introverted, not an exhibitionist.) For instance, if I am crying or depressed or even having a lot of fun, I will imagine my boss watching me, or maybe my best friend watching me. It feels like I am constantly putting on a show for whoever is watching, even though I know it's not real. I've been doing this for years - the first time I remember doing it I was dancing to a song and imagining a boy I liked watching. That was in elementary school and I am now 33 years old.