John Stamos Shows Off His Adorable 'Welcome Home Note' from 6-Year-Old Son Billy: 'Perfect'

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The actor shares his son Billy with wife Caitlin McHugh Stamos

Stewart Cook/Getty

John Stamos and son Billy

John Stamos got the sweetest welcome when he returned home to his son.

On Thursday, March 20, the actor, 61, shared a photo to his Instagram Stories of a handwritten sign he received from his 6-year-old son Billy after returning home. Stamos shares his son with wife Caitlin McHugh Stamos, 38.

The letter, which appeared to have been drawn in red crayon, read, "I love Dad! Welcome ham," and was surrounded by a few cute drawings.

"Welcome home note after 3 1/2 weeks," Stamos wrote over the photo. "Welcome 'ham' ! Perfect."

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John Stamos/Instagram

John Stamos' note

Related: John Stamos' Wife Caitlin McHugh Reveals Who Is the Tougher Parent to 6-Year-Old Son Billy (Exclusive)

At a December screening of Stamos' movie Invisible Raptor, McHugh Stamos spoke with PEOPLE about parenting with her actor husband, sharing that when it comes to disciplining their son Billy, the Full House star tends to be a little more lenient.

"We balance out," McHugh Stamos told PEOPLE. "I would say that my husband is a little easier on him than I am. Me and more our nanny. We can be a little more tough on him, probably."

This past April, the actor posted a sweet video on his Instagram as he visited San Francisco with his son Billy in celebration of his 6th birthday.

Stamos and his son could be seen visiting Alamo Square Park, chatting with a few visitors as they looked at the iconic Painted Ladies, which are featured in Full House's opening credits.

The star, who was wearing a mask, asked some parkgoers about the Full House house, later revealing to them that he was the actor from the iconic show. The video then cut to Stamos and his son, who ran on screen and tumbled with his dad in the grass.

"Happy Birthday Billy Boy. You are everything beautiful and meaningful in my life. Seeing you so full of wonder, so content, lights a warmth in me that gets rid of all the shadows and doubts of life," Stamos wrote in his caption.

"You, in your innocence and joy, make every challenge worthwhile. God only knows where I'd be without you, my dear son. You and your sweet mother are my purpose, my joy, my everything."

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