Emilie de Ravin is a new mom! She and boyfriend Eric Bilitch have welcomed their first child together.

The 34-year-old "Once Upon a Time" star took to Twitter Sunday to announce the exciting news and reveal their baby girl's name.

"Welcome to the big wide world!" she wrote. "Very Audrey de Ravin-Bilitch born March 12th 2016. Couldn't be happier! So in love with our little girl!"

Bilitch, a director and writer, also shared the news with a heartwarming message on Twitter. "Madly in love with our gorgeous girl," he wrote. "And her momma is the most wonderful woman on earth! Could not be happier!"

The happy couple first announced that they were expecting in October in a similar fashion. "I wanted to share some exciting news...me & @ericbilitch are expecting a baby," de Ravin wrote at the time. "'Tis truly a dream come true and we could not be happier." Bilitch added: "Indeed! We are over the moon with joy! Could not be more excited to be starting a family with @emiliederavin."

Just a few weeks ago, de Ravin took to Instagram to share an adorable baby bump photo with the simple caption: "#truelove." Bilitch has also shared a few photos of his gorgeous girlfriend proudly showing off her bump.

On her birthday, he shared one of her holding her belly and wrote: "Happy birthday to my much better half. You make every day better than the last. I love you!"

The former "Lost" actress and Bilitch first went public with their relationship in the summer of 2014. She was previously married to Joshua Janowicz from 2003 to 2014, but filed for divorce on two separate occasions. She first filed for divorce in January 2007, just seven months after their official wedding ceremony, and then finally again in July 2014.

Happy birthday to my much better half. You make every day better than the last. I love you! A photo posted by Eric Bilitch (@ericbilitch) on Dec 27, 2015 at 11:39am PST

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