First photos of grandparents Bill and Hillary Clinton with Chelsea’s newborn daughter, Charlotte

Bill and Hillary Clinton have held many titles over the years, but becoming first-time grandparents may be their proudest achievement of all.

On Friday Sept. 26, the power couple's only child, Chelsea Clinton, gave birth to a daughter, Charlotte. The next day, the new mom, 34, took to Twitter to share the happy news.

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"Marc and I are full of love, awe and gratitude as we celebrate the birth of our daughter, Charlotte Clinton Mezvinsky," she tweeted.

Perhaps nobody was more keen to gush about the newborn than Charlotte’s doting grandparents, who also shared intimate photos of the baby with fans.

Former U.S. President Bill gushed about his granddaughter on social media, tweeting, “Charlotte, your grandmother @HillaryClinton and I couldn’t be happier!” along with a super sweet snap.

Former Secretary of State (and rumoured presidential hopeful) Hillary wrote, "@BillClinton and I are over the moon to be grandparents! One of the happiest moments of our life."

Hillary hasn't hidden her longing to be a grandmother. Earlier this year, when talk show host Jimmy Kimmel interviewed the family, she quipped: "I wouldn't mind one of those grandchildren I've been hearing so much about."

Chelsea interjected that her mother had been "shameless" in putting pressure on her, "unapologetic in public and in private".

The former First Daughter married Marc Mezvinsky, a hedge fund manager and the son of two former members of Congress, in a lavish ceremony in July 2010. The bride floated up the aisle in a strapless organza silk affair created by Vera Wang, watched by 400 guests.

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