The Duke of Sussex stepped out for a solo evening in Los Angeles on Monday, attending the launch of José Andrés's new cookbook at San Laurel in the Conrad Los Angeles hotel.
Prince Harry, 41, was photographed looking smart in a navy suit alongside the celebrated Spanish-American chef.
His latest publication, Spain My Way, showcases recipes from his homeland spanning his distinguished culinary career.
The event drew an impressive guest list, with conductor Gustavo Dudamel, journalist Maria Shriver, actress Kyra Sedgwick, actor Tyler James Williams, and renowned chefs Wolfgang Puck and Roy Choi all in attendance.
Prince Harry supported a chef at an LA book launch just days before Lilibet’s birthday (stock picture)
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The father-of-two's night out comes just days before Princess Lilibet turns five on Thursday, June 4.
Last year, the young royal enjoyed a particularly special celebration when her parents whisked her off to Disneyland.
Speaking during a programme marking the theme park's 70th anniversary, Harry described his children's delighted reactions to the experience.
"They're like, 'This is amazing!' Like, 'Guys, this isn't even the front of it. Prepare yourself. You're about to be blown away,'" he recalled.
José Andrés was promoting his new cookbook, Spain My Way (stock picture)
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The duke added: "To see the kids throw themselves into these experiences when they have no idea what they're walking into - it was amazing. And it brings out the kid in you again."
The Duchess of Sussex has similarly been making independent public appearances of late.
Last month, Meghan travelled to Switzerland for the inauguration of The Lost Screen Memorial at Geneva's Place des Nations.
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Meghan Markle pictured last month in Geneva
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The installation, hosted by the World Health Organisation and Archewell Philanthropies, comprises 50 illuminated lightboxes displaying lock screen images of children who died as a result of online violence and digital harm.
Dressed in a black pantsuit befitting the solemn occasion, the duchess addressed attendees about the importance of protecting young people online.
"Children must be safe by design, not safe by chance," she told the gathering, calling for preventative measures against harmful digital content.