Sneak Peek! Child Stars: Then & Now

Find out where Kirk Cameron, Blossom's Mayim Bialik, the Charles in Charge girls and more child stars are in this excerpt from PEOPLE's new book, in stores June 23!

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KELLIE WILLIAMS

Then: She played Laura Winslow, the strait-laced, unwilling object of nerdy Steve Urkel's desire. "We were really like family," she says of her nine years on the show. "Everything that people saw was real, at least to me."