Chelsea Clinton has proudly posted the first photo of her baby son. The 36-year-old and her husband Marc Mezvinsky welcomed Aidan Clinton Mezvinsky on Saturday, and 24 hours later she shared a beautiful photo showing the delighted parents gazing down at their new arrival. "At 7.41 am Saturday, our family and hearts expanded with Aidan's arrival. We are blessed," she wrote alongside.
Shortly afterwards, proud grandparents Hillary and Bill Clinton uploaded their own photos from inside the hospital. Hillary posted a photo showing her cradling little Aidan, husband Bill by her side. "What a joy being with our new grandson, Aidan," she wrote. "So grateful."
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Chelsea Clinton has shared the first photo of baby Aidan
Former president Bill, meanwhile, shared a sweet snapshot of himself with Aidan and new dad Marc, 38. "Aidan has made two dads very happy this Father's Day,” he wrote. "Hillary and I are thrilled for Marc and Chelsea!"
Aidan is a little brother to the couple's 20-month-old daughter Charlotte. Chelsea announced his arrival on Twitter, telling fans: "Marc and I are overwhelmed with gratitude and love as we celebrate the birth of our son, Aidan Clinton Mezvinsky."
Proud grandmother Hillary Clinton uploaded this sweet snapshot
Hillary and Bill also confirmed the happy news in a statement, saying: "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 special time together."
Chelsea announced her pregnancy on Twitter in December, writing: "Next summer, Charlotte is going to be a big sister! Feeling very blessed & grateful this holiday season," alongside a photo of her little girl reading the book Big Sisters Are The Best.
Bill Clinton and dad Marc with the new arrival
"Your dad and I could not be happier for you, Marc and Charlotte," Hillary tweeted at the time. "We're so excited to meet our second grandchild!" Bill added: "Christmas comes early! Hillary and I are thrilled for Chelsea, Marc and Charlotte's growing family in 2016."