People with square faces are more likely to get ahead in life.
A study has found that those with wider faces, such as the Hollywood star Brad Pitt, are associated with dominant characters who are more likely to achieve wealth and status.
Square faces are said to make men and women look more aggressive and threatening at key stages of their life. In men, this occurs at the age of around 27 to 33 - when they are looking to attract a partner - and is seen in women from the age of 34 to 64, just as they are reaching the peak of their careers.
The results are based on an analysis of 17,000 passport photos that were rated for aggressiveness.
Study author David White, from the University of New South Wales in Australia, said: "The impressions we form from others' faces can have important implications - but how we behave, and our personality, can quickly change people's minds."
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