You can judge a person by their cover

Researchers:

1. Took pictures of people, either posed how the researchers wanted them or how the subject felt like posing;
2. Had the subject and the subject's acquaintances assess the subject's personalty.
3. Asked strangers to look at  the two pictures and assess the subject's personality just from the picture.

They found that while both poses provided participants with accurate cues about personality, the spontaneous pose showed more insight, including about the subject's agreeableness, emotional stability, openness, likability, and loneliness.