Will Smith Pens Sweet Birthday Message to Daughter Willow

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'Thank you for correcting my heart.'

Happy birthday, Willow Smith!

Will Smith shared a beautiful tribute to his daughter, Willow Smith, who turned 15 on Halloween.

He posted a sweet message alongside a throwback photo of the pair to celebrate her big day.

WATCH: Jada Pinkett Smith Shares Baby Will Smith Pic for His Birthday

“Happy birthday, my Bean,” the 47-year-old actor wrote on Facebook alongside a picture of himself holding a then toddler-aged Willow. “15 years today! When you were born, it took about two seconds to realize that I was willing to die for you. Thank you for correcting my heart and teaching me how to live without constriction or condition.”

Happy Birthday, my Bean. 15 years old today!! When you were born it took about 2 seconds to realize that I was willing...

Posted by Will Smith on Saturday, October 31, 2015

WATCH: Jaden Smith Compares Himself to Galileo, Plus 5 More Crazy Quotes From His 'GQ' Interview

Willow is growing up fast! The "Whip My Hair" singer signed to The Society Management modeling agency last month and, in May, she released her first new song in two years. Not only did she write the song herself, she also co-directed and self-produced its accompanying music video.

Willow isn’t the only child of Will and wife Jada Pinket-Smith who's doing big things. Her 17-year-old brother, Jaden Smith, just made Time's "Most Influential Teens" list. Watch the video to see why he said “being born” was the most influential thing that has happened to him.