Shia LaBeouf
One big example of Shia’s crappy attitude is when he plagiarized an entire screenplay. He stole comic-writer Daniel Clowes’ work, word for word, and expected everyone to get over it when it was discovered. He basically photocopied the whole thing and was surprised people cared!
Another recent example is from FKA Twigs. She filed a lawsuit against him for being physically and emotionally abusive. This goes beyond being a jerk, but it shows Shia for who he really is. His past girlfriends also spoke up, confirming Twigs’ claims as they too experienced abuse.