Here's to a day filled with laughter, joy, and lots of cake! Happy birthday, bro! 🍰🎊

Wishing the happiest birthday to the coolest bro on the block! 🎂🎉

Celebrating another year of awesomeness with my bro! 🎊🍰

Cheers to the guy who makes every day brighter! Happy birthday, bro! 🎊🍰

Brotherhood vibes on another level! Happy birthday, little bro! 🎁🎈

Hashtags for Captions on Younger Brother Bash

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