01/21/2015 01:11 EST | Updated 01/22/2015 08:59 EST

Paulina Gretzky And Dustin Johnson Share First Photo Of Their Baby Boy

Welcome to the world baby Gretzky-Johnson!

Just a day after Dustin Johnson confirmed the arrival of his baby boy, Paulina Gretzky released the first photo of their bundle of joy—on Instagram, of course!

On Jan. 21, the 26-year-old mom shared an adorable photo of herself lying in a hospital bed with the newborn in her arms, while fiancé Dustin snuggles in close. (Dustin shared the same snap too.)

Happiest day of our entire lives was welcoming our sweet baby boy into the world 1.19.15 @djohnsonpga

A photo posted by Paulina Gretzky (@paulinagretzky) on

Paulina captioned the sweet pic, "Happiest day of our entire lives was welcoming our sweet baby boy into the world 1.19.15 @djohnsonpga."

Even though she just gave birth on Monday, Jan. 19, the Maxim cover girl was perfectly made up with her newly dyed blond hair styled into a bun and a hint of mascara on her lashes.

"Paulina and I are happy to announce the arrival of our baby boy, who was born in Los Angeles on Monday morning," Dustin said in a statement. "Both Paulina and the baby are healthy, resting comfortably and in great spirits! We sincerely appreciate the outpouring of love and support we have received and plan to release further details in the coming days! Sincerely, Dustin."

Mom Janet Jones shared her excitement over her and Wayne's first grandchild by posting a photo of herself and her future son-in-law wearing hospital scrubs and a GoPro camera.

The couple announced that they were expecting their first child together last September and on Christmas Day, revealed they were having a boy.

The baby's name has not been released as of press time.

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