Her older son, Ryder Robinson, 15, kisses his sister Rani in another heartwarming shot posted to Hudson's Instagram.

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❤️ #Repost @mr.ryderrobinson ・・・ 🌸

A post shared by Kate Hudson (@katehudson) on Jun 11, 2019 at 4:06am PDT

She also shared a post for Fujikawa's birthday on the trip, calling him a \"beautiful roller coaster ride of a special human.\"

\"This man has given me the most beautiful gifts life can give and the depth of gratitude I feel for the day he was born is beyond any measured spoken word or post,\" she wrote in the caption of the birthday post.

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A post shared by Kate Hudson (@katehudson) on Jun 10, 2019 at 10:10am PDT

\"I believe that this gratitude exists and is present in our daughters joy and her magical spirit,\" she added.

Before the family trip, Hudson posted a hilarious photo and shared some details about a spray tan gone wrong.

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Note to self (because most people would know better)... Don’t wear white PJs to bed after spray tan 🥴 #VacaReady ☀️

A post shared by Kate Hudson (@katehudson) on Jun 6, 2019 at 6:33am PDT

\"Note to self (because most people would know better)... Don’t wear white PJs to bed after spray tan #VacaReady,\" she captioned the post.

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