Chad Michael Murray and Wife Sarah Roemer Expecting Baby No. 2

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Chad Michael Murray's family is expanding to four!
The One Tree Hill alum and his wife, Sarah Roemer, are expecting their second child, ET can confirm.
"We couldn't be happier," Murray tells ET. "[We're] feeling super blessed."
Murray, 35, and Roemer, 32 -- who met while filming the movie Chosen and secretly wed in January 2015 -- are already parents to a 17-month-old son.
The adorable couple has been known to gush over each other on social media, with Roemer sharing a photo of her husband just last Saturday. "My everyday man crush. He takes fantasy football very seriously," she wrote on Instagram, adding the hashtags "#husband" and "#mancrush."

The model-actress also showed off a hint of a bump while attending the Los Angeles Rams vs. Buffalo Bills game in Los Angeles on Oct. 9, where she and her die-hard Bills fan hubby took a pic with Buffalo safety Aaron Williams.
As for Murray, he has a good sense of humor about the wild ride that is parenthood. Last week, he shared a goofy selfie with a pacifier in his mouth, captioned, "Is it a Rave or Daddy Duty... #daddyduty #Thispacifiermakesmereadyforfootballsunday."

Murray spoke with ET in July while promoting his film, Outlaws and Angels, and the proud papa couldn't stop gushing about how becoming a father has changed his life. 
"For me, it was the greatest thing that's ever happened to me," he said. "Having kids is a game changer, and I think you're always walking around with the mentality that you want to make sure that they're proud and you want to represent them well and just be a great leader."
Congratulations to the soon-to-be second-time parents!
Additional reporting by Katie Krause.