The two-time reigning Olympic 100, 200 and 4x100m relay champion will compete in the Italian capital for the third year running as the Jamaican builds up to the World Championships in Moscow in August.
He has also committed to run the 200m in Oslo on June 23, the sprint relay in Ostrava on June 27 and 200m in Paris on July 6.
Photos: Shraddha Kapoor, Kim Sharma at 'Haseena Parkar' screening
Mumbai to Goa train: First look at the glass-top Vistadome coach
Shuttler Ashwini Ponnappa keeps it short and sexy on social media
Photos: Narendra Modi, others at Marshal Arjan Singh's funeral
Photos: Sussanne Khan and Nimrat Kaur spotted at a spa in Juhu