Warning: reading may cause you to feel old and unaccomplished. Fame and success can be fleeting in Hollywood -- just ask the Coreys.
So which young stars of 2008 will still be entertaining us in 2018, or even 2028? Moviefone presents our second annual list of the 25 hottest actors under the age of 25.
From the super-famous (Keira Knightley, Shia LaBeouf) to stars just on the rise (Amanda Seyfried, Anton Yelchin), see who's making waves today, who made our list last year and who's proving they've got the talent to prosper well past tomorrow.

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