India, Sept. 21 -- Prince Harry and Meghan Markle made their first US appearance together since Harry's reunion with King Charles III earlier this month. According to US Weekly, the couple turned up at the One805LIVE! benefit concert in Carpinteria, California, on Saturday, September 20, blending into the crowd before briefly stepping onstage.

The event, held on Kevin Costner's oceanside property, raises funds for Santa Barbara County's first responders. This marked Harry's third time attending the event. Meghan joined him backstage before they presented an award to County Fire Chief Mark Hartwig. The night included performances by Trisha Yearwood, Good Charlotte, and Thelma Houston.

Organizers called the evening "an unforgettable night...