Fancy dress parties are always a tricky one.
You've got to try and gauge the mood. Sometimes people will go all out; sometimes they'll make a token effort; and sometimes, if they're really mean, they'll trick you into thinking you have to dress up when you actually don't.
SEE ALSO: 69 times Ryan Reynolds was hands down the funniest actor on TwitterRyan Reynolds' latest Instagram post provides tragic proof of this last option:
View this post on Instagram
Swipe right on that picture for one where Jackman and Gyllenhaal are laughing even harder.
Poor Ryan.
Still, at least people are finding the photos relatable.
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We've all been there.