Robin Thicke's Daughter Mia Gets 'Happy Birthday' Serenade as She Celebrates Turning 6: 'So Much Love'

"Happy 6th birthday to my daughter Mia Love Thicke!!!" the singer wrote in his caption

Robin Thicke's daughter is celebrating a special day.

The "Blurred Lines" singer, 46, shared a video to his Instagram on Friday as he celebrated daughter Mia's 6th birthday. In the video, the birthday girl gets serenaded by her family as she looks down at her birthday cake, which features a giant "6" candle in the center.

"Happy 6th birthday to my daughter Mia Love Thicke!!! ?????? you have your grandpa Alan’s eyes, your Nana’s Gloria’s hair, your Mommy April’s charm and your Daddy’s big heart!" the proud dad wrote.

"You fill my life with so much love! Daddy loves you past the universe! ??."

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Related: Robin Thicke Says He Would 'Love' for Son Julian to Follow in His Footsteps: 'Amazing Performer' (Exclusive)

Thicke shares Mia, as well as daughter Lola Alain, 4, and son Luca Patrick, 2, with April Love Geary. He is also dad to son Julian, 13, whom he shares with ex-wife Paula Patton.

In August, the singer shared a cute photo of his family on Instagram as they went on vacation together.

“The goods!!! ??????,” Thicke captioned an upload of himself smiling for a picture with longtime Geary and his four children.

The group posed for the photo during an evening outdoor dinner. Their attire had a tropical flair, as Julian wore a floral button-down shirt and Geary had a flower delicately placed in her hair.

The “Lost Without U” crooner also shared a sweet picture of Geary floating in the open water while holding Luca on Friday. “Nothing better than this! ??,” Thicke wrote, admiring Geary and their younger son spending quality time together.

In 2021, the “Magic Touch” singer spoke exclusively to PEOPLE about his role as a father after his father Alan Thicke died in 2016.

Fatherhood "brought me back," Thicke said. "I think probably when I lost my father, it's no coincidence that I've had three children in the last few years … because that's how big that hole is."

"I remember a friend of his and mine said, 'A big tree has fallen.' That's what my dad was. He was the big tree," he added.

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