Rob Mariano, Amber Mariano

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Survivor winners "Boston" Rob and Amber Mariano continue to be fierce competitors at the game of life.

The reality-competition favorites welcomed a baby girl, their third daughter together, last month—and not only do we have a name, we have photos of their newest addition both solo and with her big sisters.

Needless to say...

Too cute!

Isabetta Rose was born May 5, weighing 7 pounds, 3 ounces, the proud parents confirm to E! News. She joins sisters Lucia Rose, 2 1/2, and Carina Rose, 18 months.

Rob Mariano, Amber Mariano, Babies

Courtesy of Rob and Amber Mariano

Rose as a middle name is a tradition in the Mariano family, according to Amber, who first spilled the happy news to People. But although Isabetta's middle name was already predetermined, the couple didn't name her until after she was born.

"We never name our babies until we actually meet them," Amber said. "When we saw her for the first time that afternoon, we knew it was the perfect name for her."

Rob Mariano, Amber Mariano, Babies

Courtesy of Rob and Amber Mariano

Following in her daddy's footsteps, brown-haired, blue-eyed Isabetta is already the star of the show. Her sisters "can't get enough of her," Amber said, and they always want to hold and kiss her.

Although having three girls under the age of 3 has made life for Amber a bit crazy at times, she doesn't mind.

The proud mama said, "We [Rob and I] are absolutely loving life with our three little princesses."

Photos Survivor: One World Castaways

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