1) her name is "Kris" (Kristina Poleshchuk) from Minsk, Belorussia
Belorussian: Крысціна Паляшчук
Russian: Кристина Полещук
https://www.instagram.com/naifu.k/
https://www.instagram.com/poleshchka/
Height 173
Parameters 81-59-90
more pics from Shein:
this is the same model as 1)