He directed a TV movie in 2008, co-starring Anouk Aimee, titled Love Letters based on a play by A.R. Gurney. In 2018, after a seven-year hiatus from cinema, Delon had planned to star in a new movie, titled La Maison Vide, co-starring Juliette Binoche and directed by Patrice Leconte. However, in November 2018 the French media announced that the project had been canceled. No specific reason was given for the cancellation. Among his last roles were in the 2011 television movie Une journée ordinaire, and in the 2012 Russian production S Novym godom, Mamy! in which he starred as himself. He again appeared as himself in the 2019 movie Toute Ressemblance as a guest on a talkshow.
In April 2019, at 83, Delon released a new single. The track, titled Je n’aime que toi, was composed by Rick Allison and Julia Paris. Already in 1973 Delon had scored a huge international hit duetting with Egyptian-French singer Dalida on the song Paroles…paroles. In 1983 he collaborated with Shirley Bassey on the international hit song Thought I’d ring you.