John Stamos receives an adorable handwritten "welcome home note" from his 6-year-old son Billy, calling it "perfect." The actor shares his son Billy with wife Caitlin McHugh Stamos.
Related: John Stamos and Son Billy ... Billy opted for a red velvet suit and sat on his dad's leg, smiling for the cameras. Stamos and his wife also posed for a cute family photo with Billy ...