Katharine McPhee and David Foster attended the George Lopez Foundation’s Celebrity Golf Classic Pre-Party on May 1 in Los Angeles to perform during the event.

The George Lopez Foundation raises awareness about kidney disease and organ donation.

Before the event, Kat and David hit the red carpet:

During the event, Katharine and David entertained attendees with amazing performances of songs like “Somewhere Over the Rainbow”, “I Will Always Love You”, “Cry Me A River”, “Redneck Woman”, “I Have Nothing”, “Proud Mary”, and more!

Below is a snippet of Katharine and David performing “Cry Me A River”, shared by George Lopez Foundation on Instagram: