Heather Mills has praised Tony Walker ahead of his appearance in the concluding episodes of ITV’s 70 Up
The long-running documentary follows Walker and his former classmates as their lives unfold across the decades
Once determined to become a jockey, Walker was forced to rethink his ambitions before building a career as a London taxi driver and television extra
Mills, who reconnected with him in London last year, described Walker warmly on social media
The final episode of 70 Up will air on ITV on 22 September.