On Sunday, December 8th, the renowned couple, Gisele Bündchen and Tom Brady, who are now divorced but dedicated co-parents, took to Instagram to celebrate their son Benjamin Rein's 15th birthday. This momentous occasion was marked with heartfelt tributes and a series of precious photos.

Brady's Birthday Message

The 47-year-old retired NFL quarterback shared a carousel of images featuring the teenager and his siblings. In his heartfelt caption, he emphasized Benjamin's dedication and sense of humor. "Happy Birthday Benny!" he wrote. "I'm so proud of the young man you are … You're a student, artist, athlete, musician, and teammate … but most of all you're the best brother and son anyone could ask for. You pour so much into everything you do, and it shows in the way you inspire others around you." He continued, "Thanks for always making us laugh … even when you're not supposed to! I can't wait to see all the great things you'll continue to achieve. Dad loves you sooooooooo much!" The set of photos began with an image of Tom with Benjamin and his son John "Jack" Edward Thomas, 17, whom he shares with his ex-girlfriend Bridget Moynahan. The next image showed Benjamin posing on the beach at dusk with two others, followed by a snap of him dressed in a suit. Another shot was a throwback photo of the teenager and his younger sister Vivian Lake, now 12, whom Tom also shares with Bündchen. Benjamin and Vivian Brady when they were younger. Tom Brady/Instagram

Brady's Other Photos of Benjamin

Tom included two more photos of Benjamin. The first showed him at a stadium event with Jack and another person, while the other picture was of the young boy sitting at a table outside. These images give a glimpse into Benjamin's life and activities.

Bündchen's Instagram Stories Tributes

Gisele Bündchen, 44, also shared three posts on her Instagram Stories. The first was a throwback image of Benjamin playing outside with sticks. "Happy birthday to the sweetest and funniest boy on earth," she wrote. The next post was of him and his little sister hugging while standing near a lake. The proud mom continued to write of her boy, "You have the biggest heart and it's amazing to see you grow into an incredible young man." Lastly, she shared an older snap of him and her holding a chicken. "Ti amo molto," she sweetly wrote, which translates to "I love you very much."

Bündchen's Other Birthday Posts

Bündchen also shared a tribute to Vivian for her 12th birthday on December 5th. Writing on her Instagram Stories, she said, "Happy birthday my ray of sunshine." She added in a second post, "You are the best daughter a mom could ever ask for and I'm so blessed to be your mama!"Tom and Bündchen, who wed in 2009, filed for divorce on October 28, 2022. PEOPLE previously reported in October that Bündchen is expecting her third kid with her boyfriend of one year, Joaquim Valente. The two began dating in June 2023 after first sparking romance rumors in November 2022.Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer​​, from celebrity news to compelling human interest stories.