Felicia Day Welcomes Daughter Calliope Maeve -- See the Sweet Pic!

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Felicia Day has welcomed her daughter!

The 37-year-old actress, who revealed she was expecting her first child earlier this month, announced the arrival of Calliope Maeve on Thursday, with an adorable pic on Twitter.

WATCH: Surprise! Felicia Day Announces Pregnancy 3 Weeks Ahead of Baby's Due Date

"Oh yeah Calliope Maeve has hit the world. Currently wearing a onesie that says 'Bard in Training.'"

The comedian hilariously broke the news of her pregnancy in a tweet at the beginning of the year, writing, "She's coming in like three weeks so I guess I should announce this and stuff."

RELATED: Lauren Conrad Pregnant With First Child

While Day landed on a beautiful name for her little girl, Natalie Portman revealed to ET at the 2017 SAG Awards on Sunday that she hasn't chosen a name yet for baby No. 2.

Watch the video below for her reason why.