By Janine Yaqoob & Nicola Fahey & Laura Armstrong A Britney Spears movie is within touching distance. We can reveal the megastar has entered advanced talks to transform her best-selling memoir into a blockbuster, with a female-only writing team being brought in to tackle the script. Sony Pictures currently leads the negotiations, while Britney’s major songwriters have been given a heads-up that their music could be used for the adaptation of The Woman in Me. Our source tells us: “Britney’s book was a groundbreaking best-seller and raised the public’s consciousness with regards to how the enter…