The 29-year-old captioned the adorable picture in her native Spanish language. "While he throws me sand I enjoy his laughter. #familyfirst #volverareir #mamasboy, " she wrote.
Bublé's wife's upload comes after the couple announced their eldest son, 3-year-old Noah, is recovering since being diagnosed with liver cancer last last year.
"It’s difficult for me to speak about this, it’s very recent and I'm still a bit sensitive about the subject," the actress admitted during a press conference in April while promoting her new film, Those Who Love, Hate.
"My son's recovery is a long process as you all know and he has to continue with check-ups. But we are very happy. We are looking forward to thinking about the future, to seeing our children grow."
The couple have been married since since 2011.
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