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Keshia Knight-Pulliam

Then: Imagine hitting prime-time TV at age 5 -- and holding all of America in your wee hand. Sweet little Keshia Knight-Pulliam joined "The Cosby Show" at its peak as the fearless, bubbly Rudy, and grew up, a bit, right before our eyes. Her chemistry with... more her on-screen family was spot-on and she was nominated for an Emmy. At age 6.

Now: Knight-Pulliam earned a sociology degree from Spelman College in 2001, and has become a lovely young lady -- though still small, just 5 feet tall. She has tiptoed back into showbiz with film and TV roles here and there, and won a celebrity season of "Fear Factor" in 2002. (See? Still fearless.)

(Retna)