The American singer Mariah Carey, a featured performer, took the stage at San Siro stadium, a century-old landmark in Milan, opening with “Nel Blu Dipinto di Blu,” better known as “Volare.” Other featured performers will be Andrea Bocelli and the Italian rapper Ghali.

Milan's historic San Siro stadium served as the main venue for the roughly 3 1/2-hour opening ceremony.

Cheers go up as Mariah starts singing in Italian