'Dumb and Dumber To' begins filming: Jim Carrey, Jeff Daniels are back

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Harry Dunne and Lloyd Christmas are back and better than ever. Jim Carrey and Jeff Daniels reported for duty on the set of "Dumb and Dumber To" and posted pictures of themselves back in character nine years after "Dumb & Dumber" was released.

"We're Back!!! #DumbTo," Daniels tweets, along with the above picture.

Carrey used the opportunity to promote his new children's book "How Roland Rolls." "How Roland Rolls comes out TODAY but it may be a little too sophisticated for Lloyd and Harry! Yep... THEY'RE BAAAAAACK!" he jokes.

"Dumb and Dumber To" is slated to hit theaters in 2014. No plot details have yet been released. These photos come only two days after Daniels won the Emmy for Outstanding Lead Actor in a Drama Series for "The Newsroom."

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Photo/Video credit: Twitter/WhoSay