Matthew McConaughey called the Los Angeles premiere of "Sing 2" was "a family affair" in an Instagram post Monday.

The actor hit the red carpet Sunday with his wife, Camila Alves McConaughey, and their three children: Levi, 13, Vida, 11, and Livingston, 8.

McConaughey voices a koala named Buster Moon, the main character of "Sing 2."

PHOTO: Vida McConaughey, Camila Alves and Matthew McConaughey, Livingston McConaughey and Levi McConaughey attend the premiere of "Sing 2," at the Greek Theater in Los Angeles, Dec. 12, 2021.
Alex J. Berliner/ABImages via AP
Vida McConaughey, Camila Alves and Matthew McConaughey, Livingston McConaughey and Levi McConaughey attend the premiere of "Sing 2," at the Greek Theater in Los Angeles, Dec. 12, 2021.
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McConaughey, 52, may be an Oscar-winning actor, a professor at the University of Texas at Austin, and a rumored gubernatorial candidate, but he also wrote in his memoir earlier this year that he was always meant to be a dad. In the book, the Oscar winner explained he came to that conclusion when he was a child.

"In my 8-year-old mind, what I noticed at that time, was every man that I had said 'sir' to -- the common denominator was they were all fathers, and I remember saying, 'That's when you've made it. That's when you've succeeded in life, when you become a father,'" he recalled. "From that day on it was very clear to me the one thing I knew I always wanted to be."