007 proved to be the year of the Posh-bot, with A-Z list celebs mimicking her now infamous pob, which Posh concocted all by her lonesome. The Spicester did it by combining a graduated bob with textured layers in front, and voila now she is today's Jennifer Aniston! How did it all happen? Let€™s travel back in time and DNA-map the pob cloning. The first time a pob reared its head on a head other than Mrs. David Beckham was on Mrs. Tom Cruise back in June, when the two were bosom buddies in Paris for last season€™s shows. Fine. Then came Rihanna. Okay, pob gaining traction. When celebutants Paris Hilton and Kim Stewart ditched their scraggly, long extensions in favor of the angular bob, the pob had officially arrived!