Australian swimming legend Ariarne Titmus and her fiance Mac Powell are going to be parents.

The couple announced the happy news on social media sharing their excitement with a collection of photos.

“Our little love,” the post began.

“We are beyond grateful to be blessed with the greatest gift of all. We love you so much, little one 🤍”

“We know it’s not always the easiest journey to parenthood and it is something we are conscious of. All of our love to those who are in the thick of fertility struggles, our hearts go out to you x.”

The photos show Titmus’ growing baby bump as the couple embrace while holding up their ultrasound.

The post was quickly filled with messages from fellow athletes and friends who congratulated the couple.

Fellow Olympian Jess Fox commented, “Wowwwww so special! Congratulations to you both”.

“Huge news! Congrats to both of you,” added Bronte Campbell.

“Oh sweetheart! How wonderful for you both!! Sending huge love and congrats!!” wrote Lynne McGranger, who starred alongside Titmus in the Nine series Shark.

“Arnie!! This is such wonderful, amazing, exciting news!! So thrilled for you both!! Congratulations beauty, best thing ever xx,” added Sarah Abo.

The update comes shortly after the couple celebrated their two-year anniversary. They also recently got engaged on Titmus’ 26th birthday during a trip to Europe/

The four-time Olympic champion announced her retirement from the sport last year, following a break after the 2024 Paris Olympic Games where she took home two golds and two silvers.

Images: Instagram