It might sound cruel, but everyone who's human gets a kick out of watching someone truly famous fall flat on their face. It doesn't matter if they get hurt. They're famous and stinking rich. They can afford a new face.
Watching Lady Gaga fall flat on her finely toned butt is different. She's always wearing these awkward looking outfits that look more complicated to get into than a bowel re-section and she never seems to topple over in any of them. Also, I don't need an excuse to look at her ass anyway.