PHOTOS: Proof the anti-smile is the hottest new red carpet trend

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Thanks to hilarious movies like Pitch Perfect, we all know Anna Kendrick has some serious comedic chops. She sure isn't showing 'em off here, though. Perhaps she's studying for a more stoic role.

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Hey, now. Taylor Swift may be country music's sweetheart, but this anti-smile has diva written all over it. The "I Knew You Were Trouble" singer's anti-smile borders on mischievous.

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We're not sure this qualifies completely as an anti-smile — it might be an anti-smile tinged with smirk. Regardless, it isn't the sweet smile we know Ashley Tisdale is capable of flashing.

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Let's be honest, people. It wouldn't matter if James Marsden was smiling, glaring or standing on his head singing, "I'm a Little Teapot." He can do no wrong in our book.

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If Cate Blanchett has starting flashing the anti-smile, you know it's a bona fide thing. And since pretty much anything she touches turns to gold, it's probably here to stay.

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Girls actress Zosia Mamet certainly has a lot to smile about. In addition to her star-turning role as Shoshanna on the hit HBO series, Mamet has several movies in the works. So why the anti-smile, Z?

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C'mon, Kaley... we all know you're one of those super-fun chicks who is always cracking jokes. We bet it's nearly impossible for you to suppress that megawatt smile of yours for prolonged periods.

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Sandra Bullock is so sweet that even her anti-smile bears the faintest trace of a genuine smile. If she actually stopped smiling, we're 67 percent certain the world would stop spinning.

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Regular smile, anti-smile... it's merely a matter of po-tay-to, po-tah-to to Cody Simpson's legions of screaming fan girls. It all looks equally good to them.

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Although she's putting off some seriously tough vibes with that spiked leather jacket and an anti-smile, Kelly Osbourne is actually a charming gal. Haven't you seen her on Fashion Police? She's a-dorable.

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Jenna, Jenna, Jenna. Repeat after us: You're married to Channing Tatum. You have one of the cutest babies — with him, no less — on the planet. You have nothing to anti-smile about.

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We've got to give it to her — Twisted actress Maddie Hasson has one of the best anti-smiles on the block. Furthermore, we dig the fact that she's flaunting another trend: the return of the full brow, à la Brooke Shields circa The Blue Lagoon.

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While we're relatively sure anti-smiles don't have the same mental health benefits as genuine smiles, we admit that they do wonders for bringing out Michelle Trachtenberg's cheekbones.

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Here's the thing: While Step Up All In cutie Ryan Guzman looks good no matter what, we're partial to his sexy smile. Also, just FYI, it appears he'll be flashing it in the 2016 Jem and the Holograms movie. Score!

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House of Cards actress Kristen Connolly is always stunning, and this anti-smiling, red carpet version of herself is no exception. Still, it kinda reminds us of her beleaguered character in Cabin in the Woods.