Actor Joaquin Phoenix has found love with a Dj 20 years his junior.

The Walk the Line star, 39, sparked rumours of a new romance over the weekend (09-10Nov13) after he was photographed with his arm around a mystery blonde while enjoying a stroll in Rome, Italy.

The lady has now been identified as 19-year-old Allie Teilz, who joined Phoenix and his filmmaker pal James Gray during a visit to tourist hotspots San Pietro and Gianicolo hill.

Phoenix, who previously dated actress Liv Tyler, is currently in Europe promoting his new movie, Her, directed by Spike Jonze.