Football legend Tom Brady knows how to ring in his 48th year in style: with his family by his side.

The former New England Patriots quarterback, who celebrated his birthday on Sunday, Aug. 3, took to social media over the weekend to share a series of photos on Instagram. But one photo was particularly touching, considering Brady's special relationship with his sister Julie .

In the photo, Brady stood alongside his children, Jack , Vivian , and Benjamin , and Julie, with whom he shares a birthday.

"And a big Happy Birthday to the greatest sister and aunt in the world," Brady wrote on the photo. "Thanks for being our biggest fans and always looking out for us. We love you so much!!!!"

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