Belinda Stewart-Wilson (born 16 April ) is an English actress, best known for . He wants to patch up his relationship with his ex-girlfriend, and he's being. Celebrity · Celeb-spot: Belinda Stewart-Wilson. October 7, London-born Belinda Stewart-Wilson, 43, is best known as Polly McKenzie in The Inbetweeners. This page is dedicated to actress Belinda Stewart-Wilson famous for her role as MILF A young idealistic Irishman travelling across Africa to reach his girlfriend; .