They're an intensely private couple who still haven't publicly confirmed the birth of their baby girl, but the nickname Ryan Gosling and Eva Mendes have been using for their daughter may have been revealed.

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According to The Mirror, the Place Beyond the Pines co-stars, who have been dating on/off for three years, are calling their daughter Preciosa, a nickname from the Spanish word for "precious."

Fans of Gosling and Mendes have been clamoring for any details they can get on the couple's daughter, who was reportedly born on September 12, but the two, who are notoriously private and never willingly share information about their lives with the press, have been keeping quiet about the details and haven't even been spotted leaving their home since the baby's birth.

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Though they may be using the adorable nickname for their little girl, her actual name still has not been revealed, and likely won't, though reports surfaced after Mendes' pregnancy was announced that the couple was looking to name their child after their mothers, with both Donna and Coral being circulated as names (in nod to Gosling's mother's name and Mendes' mother's maiden name Corales).

In addition to a name, fans have been dying for a first photo of the baby, which Ellen DeGeneres played with on her talk show, pretending to show a photograph of the couple's child by holding up a lighted picture frame.

Reportedly, the little girl looks like her mother and is a "mini Eva," but if the couple takes extreme care to make sure their daughter stays out of the press, fans may never be able to confirm anything.

Tags: ryan gosling Eva Mendes