Can anyone tell that the person on the left is a girl?!?!?

I just finished watching a thai lesbian movie LOLOLLOLlol okok i didnt knw it was a lesbian movie ok?? I thought the person on the movie cover was a boy! turns out she's a girl so oh well... Continued watching cos the female lead (on the right) is so freaking pretty omgggggg. Why are thai people so good looking?!?!?!?