Jason Merritt, Getty Images for DCP
Buble, 37, and Lopilato, 25, made their big baby announcement via a video message to their fans.
"Mike, Lu and ... mini Buble!!" the video reads, along with an image of the couple's ultrasound. "We're having a baby Buble!"
The baby news is an early anniversary present for the couple. Buble and his Argentinian model/actress wife are set to celebrate 2 years of marriage this March.
Watch Buble's Baby Announcement Video
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