Both Braith and Rachael shared the sweet proposal video with fans via social media.
"Today was a great day.. I love you @rachaelleex let’s do life together my baby 😘🌏." Braith captioned his post.
Rachael was cleared moved by Braith's romantic proposal.
"My Amazing, love of my life & future husband 😏 and my three darling babeees surprised me w the most beautiful perfect proposal! I’ve never been so surprised and blown away- it was pure perfection, I’m SO in love and happy!! We’re getting MARRIED ❤️ @braith_anasta Thankyou for a perfect morning and the best surprise ever I love you always ❤️ x" she wrote.
The couple enjoyed a celebration lunch with family to mark the occasion, and in one snap from the day, Rachael can be see proudly wearing her engagement ring.
Their children's involvement in the proposal would have been particularly meaningful for the pair.
Braith and Rachael welcomed baby Gigi together, in January 2018.
Former NRL star Braith has another daughter, Aleeia, who he shares with his ex wife Jodi Gordon.
And Rachael has a son, Addison, from a previous relationship.
Congratulations to the happy family!