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John Stamos’ 6-Month-Old Son Billy Makes His Late-Night TV Debut — and He Is So Cute

Get this kid sitcom! John Stamos’ 6-month-old son, Billy, made his TV debut on the Wednesday, October 31, episode of Jimmy Kimmel Live! — and he stole the show. The appearance was especially exciting because Stamos doesn’t often share photos of Billy’s face. 

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John Stamos' Finally Shows Billy's Face — and on Late night TV
John Stamos with Billy on ‘Jimmy Kimmel Live!’ ABC

While Stamos, 55, promoted his Lifetime show You, Billy charmed the audience. (The infant came dressed up as Mork from the sitcom Mork & Mindy, which ran from 1978 to 1982.)

“I’m so in love,” the Fuller House actor gushed. He later joked that Billy is preventing him and wife Caitlin McHugh from conceiving a second child.

“He’s kind of a c-block, cramping my style when I try to have sex,” Stamos teased.

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John Stamos' Finally Shows Billy's Face — and on Late night TV
Caitlin McHugh and John Stamos attend 2018 From Paris With Love Children’s Hospital Los Angeles Gala at L.A. Live Event Deck on October 20, 2018 in Los Angeles, California. Greg Doherty/WireImage/Getty Images


Earlier this month, the couple revealed Billy has a good sense of humor. “He’s hilarious,” Caitlin, 32, told Us Weekly and other reporters at the “Paris With Love” Children’s Hospital Los Angeles Gala. “He likes to cough a lot, not because needs to, but because he thinks it’s funny. He’ll screech and he’ll do anything to make us laugh.” The model added that she her husband suspect Billy will grow up to be a performer, comedian or musician. 

“I’m still hoping he’ll be a scientist or engineer,” McHugh quipped. “Or a doctor.”

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Stamos proudly noted that Richard Marx gave Billy a piano. Added McHugh* “He does not like it when I try to play with him . . .  He’s definitely a solo artist.”

 The Full House alum and McHugh tied the knot on February 3, 2018. He was married to Rebecca Romijn from 1998 to 2005.

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