These four sisters posed for a picture every year for 40 years. See the amazing transformation over the years

These four sisters posed for a picture every year for 40 years. As you scroll through the 40 consecutive photos, written plainly on their faces are the trials and triumphs of life, reminding us of the power and subtleties of time. However, throughout it all, it’s clear the familial bond and love was and remains as strong as ever. 

UPDATE: The 41st annual photograph of the celebrated series has been released. Scroll down to see the latest photo of the Brown sisters. 

1975

1976

1977

1978

1979

1980

1981

1982

1983

1984

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1986

1987

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1989

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1991

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2015

Image credits: imgur