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Ryan Reynolds found himself in big trouble with the Mrs. on Wednesday night.
Not only did the 40-year-old actor step out on wife Blake Lively with a steamy Notebook-inspired smooch with Conan O'Brien, but he also revealed the gender of the couple's second child -- a baby girl -- on the host's late-night program.
WATCH: Blake Lively Sends the Cutest 40th Birthday Message to Ryan Reynolds -- See Her Sweet Post!
But like any good husband, Reynolds didn't come home without an apology -- in the form of warm cookies and a glass of cold milk.
"The ways I know that @vancityreynolds got himself into huge trouble on @teamcoco tonight: ? Not only did he come home with my true love, @levain_bakery cookies, but he personally toasted them for me and brought me a cup of milk WITH ICE. ? Literal brownie points. ❤? #IfYoureABirdImABird," Lively captioned a snap of her sweet surprise.
READ: Ryan Reynolds Pays Tribute to Late 'Deadpool' Fan With Heartfelt Birthday Message
While the name of Reynolds and Lively's second child is still a mystery -- the couple waited months before revealing the name of their first daughter, James -- the actor generously opened up on life after welcoming baby No. 2.
"Two under two is tough!" he admitted to O'Brien. "Lot of estrogen. It feels like an American Girl doll just took a s**t on my life. I'll pour some cereal in the morning and there's like a tiny shoe in there. That's a choking hazard for me!"
"It's pretty remarkable, you know? I used to say to my wife all the time, 'I can't actually imagine ever loving a second child as much as I love the first.' Then, that baby comes popping out and I acted like I was totally wrong," he joked.
See more of Reynolds' appearance on Conan in the video below.