Some of the biggest stars were honored by carrying the torch on part of its journey from Greece to Milan.

The media giant is betting that high-wattage celebrities, YouTube stars and a plan to turn athletes into social media sensations can drive viewer interest in the actual games themselves.

The unprecedented four-site, dual-cauldron Milan Cortina Winter Games opening ceremony replete with references to Italian icons and culture has started.

Mary Carillo, who will be working her overall 17 th Olympic Games and 14 th with NBCUniversal, and NBC Sports critically acclaimed commentator Terry Gannon will co-host the event, with three-time Olympic gold medalist Shaun White joining the broadcast booth during the Parade of Athletes. For more details on tonight’s broadcast, click here.