Kiersten Hollars, director of communications at social networking site Digg, has left to join AOL. The connection? Hollars was plucked away by her old boss at Yahoo, Brad Garlinghouse. Garlinghouse is now President of Internet and Mobile Communications at AOL.

Hollars' new role is senior director of corporate communications, reporting to both Garlinghouse and EVP Corporate Communications Tricia Primrose. "This is more about working with Brad again, and nothing about Digg," Hollars told TechCrunch, who broke the news. This is the second high profile PR hire made by AOL this fall. PRNewser reported exclusively on September 24th that Caroline Campbell joined the company from Porter Novelli. Campbell has ties to AOL CEO Tim Armstrong from their days together at Google.

Meanwhile, Digg is looking for a replacement.

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