A nude Lindsay Lohan, showing off her body for all the world to see?

Two days after the "Mean Girls" star's Playboy cover made its way onto the Internet, the full pictorial -- 11 photos in all -- have leaked online.

An anonymous hacker has taken responsibility for the leak, telling Fox News that he uploaded the spread to the European-based file-sharing site Worldmags.net, after assembling the entire issue from hundreds of files, one page at a time.

"I just pieced it together," the hacker said.

According to TMZ, the brass at Playboy is "freaking out" about the leak, worried that sales of the issue will be dramatically affected.

Sure enough, Playboy publisher Hugh Hefner announced Friday that the leak had prompted him to rush the issue to newsstands. The issue is expected to hit newsstands next week.

"Because of the interest & the Internet leak, we're releasing the Lindsay Lohan issue early," Hefner tweeted.

No word on whether Playboy will pursue legal remedies over the leak -- a spokesperson for the magazine has not yet responded to TheWrap's request for comment. Playboy reportedly shelled out nearly $1 million to get the troubled starlet to shed her clothes for the camera.

As for the photos themselves, true to mother Dina Lohan's words, they're "tastefully done," in homage to Marilyn Monroe's 1953 Playboy shoot. Of course, that's familiar territory for Lohan -- she re-created Monroe's final, 1962 nude photo shoot for New York magazine in 2008. (And she probably did it for considerably less than $1 million.)

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