Between Mirage and Rumours for me, although I'd have to go with Rumours, it's just such an iconic image.
Mirage is a very close second, but if I stare at it for too long, I notice things I don't like about it. Stevie's neck is something I find fascinating, but awful at the same time.
Also, the thing they do with their hands, freaks me out. First time I realised it, I jumped
