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It's showtime! After undertaking several engagements related to the environment this week, the main event of Prince William’s trip to Brazil arrived on Wednesday evening: the 2025 Earthshot Prize Awards ceremony. The fifth annual event, where this year's five winners will be unveiled, brought together global stars, innovators and policy makers at Rio de Janeiro's Museum of Tomorrow. Prior to traveling to Brazil, the Prince of Wales, founder of the prestigious Earthshot Prize, exclusively told HELLO! that Rio felt "like the perfect place to celebrate the power of environmental innovation," with its energy, people and landscapes. "This region is home to some of the world’s most vital ecosystems and some of its most passionate environmental defenders," His Royal Highness said. "By hosting the prize in Brazil, we're shining a light on the solutions emerging from this part of the world and drawing global attention to the urgency and opportunity of climate action." From the star-studded green carpet to the ceremony, here are the best photos from the 2025 Earthshot Prize Awards ceremony...