Nick Reiner’s wild behavior at Conan O’Brien’s holiday party is all anyone can talk about. Eyewitnesses say he was acting super erratic and out of place, even getting into a heated argument with his parents, Rob Reiner and Michelle Singer, before they left. Hours later, the shocking news broke that Rob and Michelle were found dead, with Nick arrested for their murder. Fans are debating if the party meltdown was a warning sign or just another outburst. #Entertainment #Celebrity #RobReiner