Police have released the damning footage as they hunt the thief who is seen entering the shop and looking around.
She is captured stalking the OAP as she browses aisles in the supermarket in Welling, south-east London.
The brazen pickpocket even stops and feigns browsing shelves and a freezer when her victim stops to chose some groceries.
The heartless pickpocket was captured on CCTV following her victim
The pickpocket took the OAP's purse as she browsed items
And she finally picks her moment to take the purse from the pensioner's bag and leave the supermarket.
The offence happened on Tuesday June 13 but officers continue to hunt the thief.
Police released the footage in a bid to trace the suspect
"Police would like to identify and speak to this female involved in pick-pocketing in Iceland's, Bellegrove Road, Welling on Tuesday, June 13.
"The female suspect followed an 86-year-old lady into the shop and then stole her purse from her handbag.
"The victim discovered her purse missing at the checkout," said a spokesman for Metropolitan Police.