Entertainment21 & Under: Hottest Breakout Stars

Zac! Rihanna! Shia! Lauren! These kids aren't only the most popular, they're also the most likely to get bigger in '08. By Aaron Parsley

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THE NEXT BIG THING

With the bankable hit Disturbia and the summer blockbuster Transformers under his belt, Shia LaBeouf, 21, was already being compared to another superstar: Tom Hanks. But all that talk isn't going to his head as he films the next Indiana Jones with Harrison Ford, admitting recently, "I'm not that smooth."

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Credit: Tammie Arroyo/AP

Updated: Monday Nov 26, 2007 | 06:00 AM EST

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