The Fuller House star — who plays Rebecca Donaldson-Katsopolis to Stamos’ Jesse Katsopolis on the series and its predecessor Full House — is gaga over the actor’s newborn baby boy William “Billy” Christopher, sharing a snapshot of herself cuddling the adorable 5-week-old.
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Baby Billy has already met multiple members of the Full House family since Stamos, 54, and his new wife Caitlin welcomed him into their lives on April 10.
Billy, whose back was turned toward the camera, wore a black onesie that read “Jesse and the Rippers,” a reference to the band that Stamos’ character Jesse plays in.
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Loughlin — herself a mom to daughters Olivia Jade, 18, and Isabella Rose, 19 — raved about her TV husband in February, telling Megyn Kelly during an appearance on Megyn Kelly Today of Stamos, “He will be a wonderful dad.”
“We’re [still] very good friends. He got married,” she continued, adding of the 32-year-old model and first-time mom, “[Caitlin]’s a wonderful girl. She’s really good for him and I’m very happy for him.”