A unique feat of an economically and physically ravaged post-war Britain, the 1951 Festival of Britain produced an ‘autobiography of a nation’ intended to instill a nationalistic sense of recovery after total war. Centrally located on the South Bank, the Festival hosted a series of exhibitions celebrating British achievements in the fields of industry, science, technology, architecture, and the arts. With few exceptions, the vast majority of scholarship assesses the Festival through its national framework, and as an attempt to facilitate post-war economic recovery under the Labour government. This article re-examines the imperial concerns underlying the Festival amidst profound global changes in the post-war era. The ‘centrifugal’ development of the inter- and post-war Commonwealth fatally compromised administrative efforts to cultivate a tonic to the Empire through Festival exhibits. Former colonies and Dominions, emboldened by their independence from the metropole, refused to partake in an event that idealised a modernity that rested only in Britain. Representatives from India, Pakistan, and Ceylon, as new Commonwealth members, dissented against indications of their inferior status. These complications during the Festival's organisation expose the fractures in the transition from an exclusive, British-led Commonwealth to a multiracial Commonwealth.