Nobody spoilt her to be honest. She is just being her. And she has fans for that character of hers. Just like Nat is Nat.
Really, if she is not your type, move on. We can only keep nagging her to be better at time management. Chase the customers out at 55 mins, not on the dot or even after. Rest earlier, reject late customers. Sleep longer. Eat better. But she is LN, she is never going to take instructions from us.