Paris (France) / St. Imier (Switzerland), 3 May 2016 – The Prix de Diane Longines 2016 edition was officially launched at the press conference organized by France Galop and Longines, the Title Partner, the Official Timekeeper and the Official Watch of one of the year’s most hotly-contested racecourses. On Sunday 19 June, the Chantilly domain will burst into colours and host a bustling Garden Party to entertain elegant horseracing lovers. In addition to timing the nine races of the day, the Swiss watchmaker will celebrate feminine elegance with the "Mademoiselle Diane par Longines" award, which will be presented by Longines Ambassador of Elegance Eddie Peng.