@bostonrob / Twitter 1 / 5
@bostonrob / Twitter 1 / 5

Trying to survive a full house! "Survivor" alum Rob Mariano and his former castmate Amber Mariano welcomed their fourth child (another baby girl!) on June 20.

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"We are thrilled to announce Adelina Rose Mariano 12:51am June 20th, 2014," Rob tweeted on Friday. "Mom and baby are doing great! #4for4." In a snapshot, Rob and Amber smiled big as the mom of four held their newborn while lounging in her hospital bed.

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Adelina Rose now joins big sisters Lucia, 4, Carina, 3, and Isabetta, 2, who also share their sister's middle name.

"Lucia Rose, Carina Rose, and Isabetta Rose are beyond excited to welcome their new sister Adelina Rose!" Rob added, with an adorable picture of the trio staring at their new sister in her bassinet.

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Rob and Amber met on CBS' "Survivor: All-Stars" in 2003 and later competed as a couple on "The Amazing Race." They tied the knot in 2005.

In 2011, the proud dad gushed to Us Weekly about parenthood. "Being a father is by far the most fulfilling thing I've ever done," he said. "I'm happy to bring home [the 'Survivor' prize] to my family."

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"Dressing them alike is so much fun, and they love it, too!" he added in 2012 of having all girls. "They play so well together!"


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