Method for sharing an item of multimedia content between at least a first user and a second user using a first and a second telecommunication terminal, respectively, the item of multimedia content being associated with the second user and being stored in a database hosted by a services platform that is accessible via a telecommunications network, said services platform comprising a server for sharing content over said network, characterized in that it comprises steps of: A. validating (E12-E18) a request to share the item of multimedia content, which request is transmitted by the first terminal comprising: - generating, by means of the first terminal, a request to share said item of multimedia content, said request including an item of information identifying the second user, and sending the sharing request to the sharing server; - determining, by means of the sharing server, the second terminal on the basis of said item of information identifying the second user extracted from the received sharing request, then transmitting a sharing authorization request regarding the first terminal in relation to said item of multimedia content; - receiving, by means of the second terminal, the authorization request and sending a response to said sharing authorization request to the sharing server of said platform, said response comprising an identifier of the second terminal; and - validating, by means of the sharing server, the sharing request transmitted by the first terminal on the basis of the identifier of the second terminal contained in said response; B. in the content sharing server, if the sharing request is validated, activating a sharing session and opening a sharing memory space for allowing content data to be shared between the first and the second terminal, and transmitting an item of session activation information to the first terminal; C. displaying, in each of the first and second terminals (T1, T2), a sharing window for viewing data contained in the sharing space during the sharing session; and D. transmitting, from the second terminal to the sharing server, at least one command for allowing at least one item of multimedia content to be shared, determined by the second user, to be viewed on the first terminal via said sharing window. A. validating (E12-E18) a request to share the item of multimedia content, which request is transmitted by the first terminal comprising: - generating, by means of the first terminal, a request to share said item of multimedia content, said request including an item of information identifying the second user, and sending the sharing request to the sharing server; - determining, by means of the sharing server, the second terminal on the basis of said item of information identifying the second user extracted from the received sharing request, then transmitting a sharing authorization request regarding the first terminal in relation to said item of multimedia content; - receiving, by means of the second terminal, the authorization request and sending a response to said sharing authorization request to the sharing server of said platform, said response comprising an identifier of the second terminal; and - validating, by means of the sharing server, the sharing request transmitted by the first terminal on the basis of the identifier of the second terminal contained in said response; - generating, by means of the first terminal, a request to share said item of multimedia content, said request including an item of information identifying the second user, and sending the sharing request to the sharing server; - determining, by means of the sharing server, the second terminal on the basis of said item of information identifying the second user extracted from the received sharing request, then transmitting a sharing authorization request regarding the first terminal in relation to said item of multimedia content; - receiving, by means of the second terminal, the authorization request and sending a response to said sharing authorization request to the sharing server of said platform, said response comprising an identifier of the second terminal; and - validating, by means of the sharing server, the sharing request transmitted by the first terminal on the basis of the identifier of the second terminal contained in said response; B. in the content sharing server, if the sharing request is validated, activating a sharing session and opening a sharing memory space for allowing content data to be shared between the first and the second terminal, and transmitting an item of session activation information to the first terminal; C. displaying, in each of the first and second terminals (T1, T2), a sharing window for viewing data contained in the sharing space during the sharing session; and D. transmitting, from the second terminal to the sharing server, at least one command for allowing at least one item of multimedia content to be shared, determined by the second user, to be viewed on the first terminal via said sharing window.