Why the heck do i dream of Heath Ledger?

First of all i have no idea why i'm dreaming of him, i would understand if i was like some obsessed fan girl or watched one of his movies way too many times. I don't even think of him at all, nor any other celebrity for that matter. Like this one time i had a dream that we were in a desert and he was introducing himself to me or something.The dream was really clear and vivid and last night i dreamt i was at some award ceremony where his name was brought up many times. This doesn't make any sense to me. I know a couple of people in my life that i'd love to be dreaming about but why him?