Love her or hate her, at some point you've probably noticed that Kim Kardashian rarely smiles in photos.
Here's Kim at her 34th birthday party at Tao Nightclub in Vegas. No smiling here:
Here she is, posing with her sister Kourtney at a press event in Los Angeles. Kourtney looks happy. Kim doesn't:
A family that doesn't smile together, stays together?
There's been plenty of speculation as to why Kardashian always appears unamused, even in the midst of exclusive parties, fashion shows and red carpet events. Some say she's "too cool to smile," while others suspect that Kanye West has instructed her not to. Well, ponder no more, because Kim K herself put an end to the rumors in the caption of an Instagram photo of her smiling *and* laughing with Kardashian family friend Shamari Maurice:
Mystery solved. And if you're wondering why North West seems to never smile, her mom already cleared that one up, too.