Jennifer Aniston in GQ

Jennifer Aniston bares all for GQWearing just a necktie, Jennifer Aniston has bared all for the latest cover of GQ magazine.Accompanying the January cover is a rather sassy interview of the Friends star, where she addresses rumours about John Mayer.'I am not having his baby. And I have not popped the question,' People quoted her as saying.In the interview, the 39-year-old star has even poked fun