After Abby texts Ginny outside of the group chat and says "Do you actually want to wear pj's?", Maxine also texts Ginny outside of the group chat and says "Abby always does this, it's so annoying". But when it shows all the texts on Ginny's phone, it shows the last text from Maxine saying "They're like 300$", which was the text she sent to Ginny just before that.