The characters are introduced to the arrival of Cars which are used as props. As kat arrives, the look on the girls' faces, they certainly had a personality switch. They roll their eyes, look fierce, annoyed, and the sassy attitude creates an impression of them having some grudges against kat. On the other hand, kat rolls her eyes too but it does not create much difference as her first shot was just the same, no interest or excitement on her side.
