Chelsea Clinton, the daughter of Hillary and Bill Clinton, gave birth to her second child, a bouncing baby boy on Saturday, according to her Twitter and Facebook accounts.
"Marc and I are overwhelmed with gratitude and love as we celebrate the birth of our son, Aidan Clinton Mezvinsky," the former first daughter of the United States tweeted on Saturday.
Chelsea, 36, announced in December 2015 that she was expecting her second child with hedge fund manager Marc Mezvinsky.
'Next summer, Charlotte is going to be a big sister! Feeling very blessed & grateful this holiday season,' she tweeted, keeping the baby's gender under wraps.
Hillary Clinton often brings up her 20-month-old granddaughter, who was born in September 2014, on the campaign trail.
The presumptive Democratic presidential nominee has said being a grandmother is like 'falling in love all over again'.
'It's transformational and until you did it, it is hard to know,' she continued. 'And it has for me been an absolutely life-changing experience.'
Hillary has said in the past she was curious to see how Charlotte would handle being a big sister.
On Saturday Bill and Hillary Clinton issued an effusive statement about the latest family addition.
"We are overjoyed to be grandparents again with the arrival of our grandson, Aidan Clinton Mezvinsky, born on Saturday, June 18, 2016," the couple said.
"We are all over the moon as Chelsea and Marc welcome Charlotte's little brother to the world and grateful for our many blessings. Chelsea and Aidan are both doing well and enjoying this very special time together.
The birth makes Hillary and former President Bill Clinton grandparents two times over.
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Labels: Bill Clinton, Celebrate, Chelsea Clinton, Hedge fund, Hillary Clinton, life-changing experience, Marc Mezvinsky, overwhelmed with gratitude
