On this Sunday’s brand new Kourtney & Khloé Take The Hamptons, Kourtney Kardashian flies back to Los Angeles when she discovers that Kim Kardashian is throwing North West’s first birthday party at her and Scott Disick’s new house without permission! In a sneak peek, Kourtney confronts Kim, without any notice, and calls her out for having the birthday party when Kourtney already told her “no.” She tells Kim that she doesn’t have the proper respect for her older sister that she should.