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The Dirty Dozen: Porn's biggest stars

Asa Akira

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Asa Akira

Akira's a four-year veteran of the Dirty Dozen list, though this year is notably different than the others. Now an exclusive contract performer with Wicked Pictures, she has been performing less, giving her time to publish a memoir, "Insatiable: Porn — A Love Story," which received favorable reviews. Her fans also appreciate her sarcastic, often hilarious, Twitter feed.

Chris Morris