Show creator has signed on to write a film script
Spice Girl Emma Bunton will join Patsy and Edina for their latest round of televised misadventures
Patsy and Edina return for a special "Absolutely Fabulous" episode in which they wonder about the "new disease called the Kardashians"
Big-screen adaptation is in addition to three TV specials in the works
"We fully intend to party like it's 1991," series star Jennifer Saunders says
Barring catastrophe, Patsy and Edina will be creating more havoc on TV soon