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In the clip shared Saturday, the siblings open the gift bags and pull out baby booties and a picture of an ultrasound. Ana Mello cried tears of joy while Lucas Mello was hilariously left at a loss for words.

\"PHOTO:
TikTok/yamsmello
PHOTO: In a now-viral video seen by millions, Ana Mello, 20, of Coconut Creek, Florida, shared her and her 17-year-old brother Lucas' reaction onto TikTok.
>

\"I'm so happy for my mom, because I'm 20 and I'm leaving soon. She's [going] to miss her babies, and now she going to have another one,\" Ana Mello said \"We are all very, very happy.\"

\"PHOTO:
Ana Mello
PHOTO: In a now-viral video seen by millions, Ana Mello, 20, of Coconut Creek, Florida, shared her and her 17-year-old brother Lucas' reaction after her parents' big reveal. Mom Vanessa Mello, 45, and dad Jocelyn Mello, 42, are expecting in July 2021.
>

Mom Vanessa Mello and dad Jocelyn Mello, 42, are expecting in July 2021.

\"PHOTO:
TikTok/yamsmello
PHOTO: In a now-viral video seen by millions, Ana Mello, 20, of Coconut Creek, Florida, shared her and her 17-year-old brother Lucas' reaction onto TikTok after her parents' big reveal.
>

After the shock wore off, Lucas Mello said he is excited and is hoping for a baby brother.

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