Long before his days as a stadium-packing musician, Mick Jagger is seen at his home in Dartford, England, in 1946. He was 3 years old. Images like this, along with hundreds of other Rolling Stones artifacts, will be on display as part of "Exhibitionism," a gallery that opens at London's Saatchi Gallery in April 2016.
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Jagger smiles for a school photo in 1951. He later attended Dartford Grammar School, where he found his passion in music.
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Keith Richards, 4, rides a bike on a family holiday at Southend-on-Sea, England, in 1947. The guitarist met Jagger while the two were in primary school, a friendship that budded into the world-renowned rock band.
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Ronnie Wood, 9 months old, is held by his mother, Elizabeth, in 1947. Wood joined the Stones in 1975, and he is known for playing the slide guitar and the lap-steel guitar.
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Wood, age 4, at his London home in 1951. By the time he joined the Stones, he had established himself as a musician, having already played with The Birds and the Faces.
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Charles Robert Watts, 2, feeds birds with his mother, Lillian, and his father, Charles, in London's Piccadilly Circus in 1943. Charlie was known as Charlie Boy because his father was called Charlie. Watts was asked to play drums when the Rolling Stones were forming. He denied the invitation until 1963.
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An 8-year-old Jagger, left, plays at the beach with his younger brother Chris in 1951. Chris is also a musician and has worked as a clothing designer and journalist.