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Teen Idols: Then & Now

90 of 104

THEN: Leif Garrett

Leif Garrett made tweens of the '70s swoon with his flowing blonde locks and rockin' cover of "Runaround Sue." —XFINITY Entertainment Staff (Photo by Keystone/Getty Images)

The opinions expressed are solely those of the author and do not necessarily reflect the views of Comcast.

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