This could be because of the phenomenon that the internet has coined as "resting bitch face." Ty Tashiro, psychologist and author of the book "Awkward: The Science of Why We're Socially Awkward ...

Maria Sharapova playfully asked if her look during a behind-the-scenes photo shoot of a fashion photo shoot was a "resting b*tch face.

I’ve probably had ‘vinegar face’ (or, as it was formerly known, ‘resting bitch face’) all ... Even this has its risks. Look ...