Tiffany Trump and husband Michael Boulos have welcomed their first child.

“Welcome to the world our sweet baby boy, Alexander Trump Boulos,” President Donald Trump’s youngest daughter announced on social media Thursday. “We love you beyond words!”

“Thank you for coming into our lives!” she added along with the black and white photo of her infant’s foot.

Tiffany’s mother, Marla Maples, celebrated the birth of her first grandchild in an Instagram comment, writing, “No greater joy in the world.”

“Michael and Tiffany this Gran Mar Mar loves you all so much!!” the comment continued. “You rocked it, my girl!”