Gemma also took to Instagram to share their special news.
"9 months in the making. Introducing Iona Kennedy Lee Clausen #delightful #family @charlie_clausen" she captioned a series of photos of herself, Iona and Charlie.
The couple's famous friends were quick to share their well wishes with the new family.
Home and Away's Cassie Howarth commented: "Ahhhhh!!!!!!! So much love to all three of you!!!!!😘😘😘😘😘😘❤️❤️❤️❤️"
"CONGRATULATIONS YOU SWEET LOVERS," said Demi Harman.
"Awesome news, Congrats guys!! What a perfect family 😘" Rodger Corser wrote.
Ada Nicodemou said: "Congratulations!!! Such wonderful news and can’t wait to squeeze her cute cheeks."
And Osher Gunsberg said: "This is the greatest. Love you both with all of our love x"
