Tom Brady Joins Instagram -- See His First Post!

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Tom Brady is officially on Instagram!

The 39-year-old NFL star joined the popular social media app on Saturday, with a snowy new pic!

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"You can take the boy out of California... and I think they took the California out of the boy!" he captioned his first ever Instagram post.

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Joining Instagram was a tough choice for Brady, who announced his decision via Facebook Live.

"What's up, guys? Thanks for coming today. I'd like to thank all my Facebook fans for your incredible support as I set sight on my second social media network. You guys have been so incredibly helpful with your suggestions and your thoughts, and I narrowed it down to these four choices, and I'm ready to do it," he said in front of a table of Myspace, Twitter, Instagram and Twitter hats.

"After thinking it through, I've chosen Instagram!" he announced.

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While Brady's just getting used to Instagram, he has one heck of a teacher at home -- his wife, Gisele Bundchen!

See the model's latest headline-making post in the video below.