by Brittany Kaelber

Created on: June 15, 2009   Last Updated: June 18, 2009

I've heard it said that "teenage girls rule the world." In regards to the popularity of Hollywood's young male actors, they're right. Due to teenage girls' obsession with Twilight, Robert Pattinson went from a D-Lister to a Hollywood heartthrob. These young Hollywood male actors are taking over the big-screen and I'm not complaining! The following 10 have made a name for themselves that won't soon be forgotten.

1. Taylor Kitsch. Taylor stole our hearts as the troubled but lovable Tim Riggins on NBC's Friday Night Lights. However, no matter how much we love him as "Riggins," he's not stopping there. Taylor is also taking his turn in the world of "Blockbuster hits" and people are loving it! This summer we saw Taylor in the much anticipated X-Men Origins: Wolverine as Gambit. That's not the last we'll be seeing of him either, he is currently working on another season of FNL and joining Ryan Phillippe in the movie The Bang Bang Club (due out in 2010).

2. Robert Pattinson. No surprise here! If you haven't heard the name "Robert Pattinson" then you've been living under a rock. Rob made his big break in the cult phenomenon Twilight and is reprising his role as vampire Edward Cullen in one of the most anticipated films of the year, New Moon. Rob need not worry about being type-cast as a dazzling vampire forever though. His adorable personality, good looks, and abundance of work outside of the Twilight Saga movies lead us to believe we'll be seeing a lot more of Robert Pattinson. The MTV Movie Awards have already acknowledged this; Rob won Breakthrough Male.

3. Zac Efron. High School Musical's Zac Efron has gone from Disney Channel Original Movies to big-screen Hollywood hits with ease and he's been welcomed with open arms! While it would be great to see more of him dancing and singing like he did in HSM and Hairspray, he proved in this summer's 17 Again that he is an amazing actor and can easily survive within or outside of the musical genre. Even though he could probably make it on looks alone, he won't have to; Zac Efron just oozes natural talent that puts him near the top of the young Hollywood male actor food chain.

4. Tom Welling. With Smallville going into it's 9th season, Superman never looked so good. Tom's portrayal of Superman is suddenly making girls all over the world wish they were a hard-hitting reporter with an attitude. While Smallville would be enough to bring this young actor into the top 10, it doesn't hurt that he's worked with comedy superstars

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