While Jay-Z let the world know of his love for fine art quite often on his most recent album, Magna Carta Holy Grail — at one point rhyming "Picasso" with "Rothko" in his art-centric song "Picasso Baby" — he clarified his Picasso ownership status over Twitter back in July.
We all fell in love with Katy Perry's 90-something grandmother, Ann Hudson, when they riffed on each other on the red carpet for Smurfs 2. If the question is about what Katy called her grandma on that red carpet, the answer was "you bitch." But it was all in jest, and Grandma didn't seem to mind!
As far as we know, the only people who have been injured at Taylor Swift shows were Taylor herself, who hit herself in the face with a microphone and occasionally gets "scratched a bit" walking through the crowd, and Justin Bieber, who fractured his foot while on tour with her. We of course can't predict the future, but the highest-profile parent complaint we could find was less about physical safety and more about lipstick and consumerism.