04/25/2015 02:47 pm ET | Updated Apr 29, 2015

Robert Downey Jr.'s Baby Is Crazy Adorable

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!

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Robert Downey Jr.