Kelly Rowland Wishes Son Titan Happy 9th Birthday: 'Love You More Than You Will Ever Truly Know'

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Rowland's eldest son also received birthday wishes from singers Ciara and Michelle Williams

<p>AFF-USA/Shutterstock</p> Kelly Rowland is celebrating her son on his special day

AFF-USA/Shutterstock

Kelly Rowland is celebrating her son on his special day

Kelly Rowland is celebrating her firstborn!

The 42-year-old former Destiny's Child singer posted a touching tribute to her son Titan after his 9th birthday on Saturday as she shared clips and photos of them together on Instagram.

“To my favorite sushi-eating buddy, my favorite 1st born,” Rowland wrote in the caption of the carousel. “My favorite being silly buddy, my favorite teacher of the sea, you never cease to amaze me, you are wildly creative, and brilliant!”

The singer — who shares sons Titan and Noah, 2½, with husband Tim Weatherspoon — continued, “I love you more than you will ever TRULY know! Would do anything for you! Happy Birthday my ♥️🎂♥️🎂♥️🎂♥️🎂♥️🎂♥️!”

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“How did 9yrs pass by so fast?!?!” the star added.

In one sweet video which she shared, the mom of two embraced Titan as they sang Daniel Caesars’s song “Best Part” while sitting onboard a sailing boat.

A second clip showed Titan in his school uniform in the passenger seat of a car with his mom.

“How did your first day of school go?” she is heard asking him in the video. “Great!” Titan enthusiastically replies.

<p>Ciara/Instagram</p> Titan is friends with singer Ciara's son Future Zahir

Ciara/Instagram

Titan is friends with singer Ciara's son Future Zahir

Related: Kelly Rowland Talks Meeting Meghan Markle at Beyoncé Concert: 'She Was Royal Before She Was in That Family'

A final video saw Rowland and Titan sitting together to watch the sunset as they said in unison, “See you later sun.”

Rowland’s close pal Ciara also shared a birthday tribute to Titan on Sunday as she posted a cute photo of him with his arm around her eldest son Future Zahir, 9.

“Happy Birthday Titan!!” Ciara — who is expecting her fourth child — wrote on her Instagram Story. “You are truly the sweetest! We are so happy to have you in our lives!! We love you so much ♥️♥️♥️.”

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<p>Kelly Rowland/Instagram</p> Rowland was in the mood to celebrate her boy on his special day

Kelly Rowland/Instagram

Rowland was in the mood to celebrate her boy on his special day

Titan also received birthday wishes from Beyoncé’s mom Tina Knowles who wrote, “Happy birthday, birthday boy you are the smartest, most handsome, I love you❤️❤️🎂🎂" in the comments section of Rowland's post.

“Happy Birthday Titan!! You are so so loved!! ❤️,” fellow Destiny’s Child member Michelle Williams added.

Ex-bandmember LaTavia Roberson — who reunited with Rowland at Beyoncé’s Renaissance Houston show in September — wrote, “Happy Bday Titan ❤️❤️❤️❤️ Kelly that’s your twin for real 😍😍😍.”

“My Titan!! Happy birthday!!!❤️❤️❤️,” Rowland's pal La La Anthony added. 

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