Michelle Keegan has been spotted putting on a casual display while on the set for Sky One's TV show Brassic.The 34 year old, who recently celebrated her mum Jackie's 60th birthday with a surprise party, was seen walking alongside two of her colleagues as she filmed scenes for the popular comedy-drama.The TV personality wore a striped sage and white top underneath a light blue denim jacket, over which she added a third layer of a padded black long coat that reached down to her shins.