Last night, only two days before departing for the Rio Olympics, Kerri Walsh Jennings walked the red carpet at the premiere of the documentary "The Gold Within," which chronicles the three-time Olympic gold-medalists journey to Rio.

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Walsh Jennings' husband Casey Jennings, their three children, partner April Ross and the duo's coach Marcio Sicoli joined the soon-to-be four-time Olympian at the Paley Center for Media where they watched the film for the first time.

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In a Q&A session that accompanied the film premiere, Jennings' husband honored his wife's incredible strength and said he was blessed to be able to be a stay-at-home dad while she pursued her dreams on the sand.

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Produced by DICK'S Sporting Goods Films and Tribeca Digital Studios, the film will debut on NBC, Sunday, July 31, at 4 p.m. ET.