No but lack of empathy, blame shifting, gaslighting, refusal to take any kind of responsibility are all classic traits and Catherine is a full house what we are now seeing is an obvious slur campaign where she is recruiting her minions to invalidate and bully her ex love interest.Narcissistic is a word people throw around too lightly these days and diminish it's real meaning. Someone's poor behaviour does not automatically equate them to being a narcissistic.
If she isn’t a narcissist she’s certainly displaying narcissistic traits at a high level.