Jennifer Aniston has signed on to guest-star on her longtime friend Courteney Cox's TV sitcom "Cougar Town," TVGuide.com said.

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The actresses previously worked together on the long-running comedy series "Friends." Their former co-star Lisa Kudrow appeared on "Cougar Town" last season.

TVGuide.com said Aniston will guest-star as a psychiatrist on the show's Season 2 premiere.

Aniston can currently be seen on the big screen in "The Switch."