Katharine McPhee has returned to the stage after suffering a family tragedy earlier this month.

The 39-year-old entertainer and her husband David Foster, 73, were in Italy on Tuesday night (August 22) for a private event, where they entertained the crowd alongside Kat‘s former Waitress co-star Erich Bergen.

Katharine and David were on tour in Asia earlier this month when their two-year-old son Rennie‘s nanny was killed in a tragic accident that occurred at a car dealership in Los Angeles’ San Fernando Valley.

David stuck around in Asia to close out the tour while Katharine flew home immediately to be with her family. After mourning the tragic loss, they’re back to work and just performed in Italy for an event that has been planned for some time.

Keep reading to find out more…

Katharine and David were two of the entertainers for Celebrity Adventures’ Amalfi Coast Cruise this week, joining Andrea Bocelli, Reba McEntire, John Corbett, Brian McKnight, and Chris Tucker and the star-studded lineup.

The itinerary for the cruise, which was released back in April, noted that Katharine and David would be performing an evening concert in the hilltop town of Ravello overlooking the Amalfi Coast.

Erich, who was in the movie Jersey Boys, joined Kat on stage to sing “Can’t Take My Eyes Off of You.” Watch the video below!