Armie Hammer and Wife Elizabeth Chambers Expecting Baby No. 2

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Congrats to Armie Hammer and wife Elizabeth Chambers, who are expecting their second child!

The Free Fire star announced the news on Instagram before hitting the red carpet at the Toronto International Film Festival on Thursday.

“Ready to start the #torontointernationalfilmfestival festivities,” Hammer captioned the proud pic. “All three of us!”

RELATED: See the First Photo of Armie Hammer's Baby Girl Harper!

Chambers shared the same shot, writing, “Dressed and ready for the premiere of #Freefire. And the premiere of baby Hammer Number 2!”

The couple are already parents to a daughter, Harper, who will turn two on Dec. 1. Just a week ago, Hammer shared an adorable pic of his daughter squaring off against his Hotel Mumbai co-star, Jason Isaacs.

“Harper wasn't on set 15 minutes before @therealjasonisaacs challenged her to a fight,” he captioned the cute shot. “Harper won. #10pointstogryffindor.”

FLASHBACK: Armie Hammer Plays Two Roles at Once

One thing's for sure, like Harper, the couple’s new baby will get to be lulled to sleep by their dad’s impressive ukulele skills. Check out Hammer playing for the ET cameras in the video below!

WATCH: Armie Hammer Plays the Ukulele – and He's Pretty Amazing at It