Video captured the moment Delia Smith's car was hit by objects including at least one can as she arrived at Ipswich Town's stadium.
The celebrity cook and Norwich City owner was travelling to the Portman Road ground for Saturday's derby.
Several items appeared to land on the BMW as people could be heard chanting "scum" in its direction.
Suffolk Police and Ipswich Town have been approached for comment. The Championship league game ended in a 2-2 draw.