Harry and Meghan attend surprise One805LIVE fundraiser in Carpinteria

Prince Harry and Meghan Markle made a surprise joint appearance Saturday night at the One805LIVE! benefit concert on Kevin Costner’s oceanside estate in Carpinteria, California, helping raise money for Santa Barbara County’s first responders and briefly stepping onstage to present an award. The Duke and Duchess of Sussex attended the Sept. 20 fundraiser, which featured performances by Trisha Yearwood, Good Charlotte and The Fray, and was billed by organizers as a flagship event to support essential equipment and mental wellness programs for local firefighters, police and sheriff’s departments.

The couple’s unannounced outing marked Prince Harry’s third consecutive year at the concert and his first public appearance with Meghan in the United States since a widely reported, private meeting with his father, King Charles III, in London earlier this month. Harry presented an award to Santa Barbara County Fire Chief Mark Hartwig, and Meghan briefly joined him onstage before watching from the side, according to reports and on-site accounts. Guests at the event reportedly included Oprah Winfrey and Rob Lowe.

Details about the couple’s attire varied in accounts from attendees and...