The actress swapped her usual short blonde crop (pictured in August) for a long brunette wig.
Sheridan rocked a bizarre mismatched outfit – including a skirt over jogging bottoms.
She’s had a beautiful front and is looking so hot and sexy.
The flick also stars Michelle Collins (pictured), Mark Addy, Ella Hunt (as Sheridan’s daughter Alice) and the book’s author Jo herself
EastEnders star Michelle in the age of 55 rocked a scarlet lipstick and a khaki military style dress