This past November, Robert Downey Jr. welcomed daughter Avri with his wife, Susan. This week, the adorable baby made her photo debut in a snap on "The Late Show with David Letterman."
Aaaw! As Downey says in the clip, "You got to love a yellow bonnet."
Earlier this week, Downey, who appeared on "The Late Show" to promote "The Avengers: Age of Ultron," cheered up one young fan having a bad day with a touching social media interaction.
He's clearly got a way with the little ones!Follow Huffington Post's board Hollywood on Pinterest.