Kingston James PenaVega Kingston James PenaVega was born on June 30, 2019. He is Alexa and Carlos's youngest child. Both Alexa and Carlos shared the announcement on social media right after he was born, and now the tot even has his own Instagram account. Kingston started walking at 7 months old and now spends his days running around at the beach with his big brother. As brothers do, though, sometimes they squabble!