@CW_Supergirl
Congratulations to Stephen and Melissa, welcomes Olivia Caity Amell at 11:52 last night. Welcome to the world, Olivia.

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@DC_ComicsOfficial
Supergirl and Green Arrow have welcomed a little girl to their family, we can rejoice

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@CW_Arrow
The baby Amell is already stealing the hearts of her family, congratulations Mr and Mrs. Amell

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@BuzzBuzzNews
Mephen has welcomed their first baby to the world, we're excited to see what you do, Olivia Caity

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@Chy_Leigh
Happy to report Baby girl Amell is happy, healthy, and already got her dad wrapped around her finger. Congrats @MelissaAmell and @StephenAmell

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@JohnScotBarrowman
They grow up so fast 😭

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@ColinDonell
This is the type of news I want to wake up to. Congrats to the Amell family, Welcome Olivia, it's gonna get crazy

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@RobertDowneyJr
Congratulations to the King and Queen of Arrowverse on their princess.
Much love,
Godfather of MCU, x

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@StephenAmell
The day has come, I'm officially a father

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@MelissaAmell
Welcome my little angel, I apologize in advance for your aunts and uncles, we're all a little crazy...