Jennifer Aniston and John Mayer Back Together

"She's hooked on him," says a source close to Jennifer Aniston, 41.

With all the Gerard Butler and "I'm happy by myself talk," we were sure Jennifer Aniston had moved on from John Mayer. Not so, says an exclusive new report.

Apparently over the last three weeks, the two have been spending intimate evenings together in New York City, for late night drinks and dinner with Aniston's friends Courteney Cox and David Arquette. The series of meetings has witnesses confirming that yep, Aniston and her "Wonderland" boy are officially back on.

"He really got to her, and she's hooked on him," one source reported to a Hollywood rag. Another friend of Mayer said, "[Jen and John] are very close. They remain great friends. He thinks she's amazing, nice and smart, and he has nothing but respect for her." The twi first paired up in April 2008 and split for the second time last January.

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Just last week Aniston said "I have a great relationship with myself." Well, nice try Jen. Read about it here.