The gold medallist, 32, shared the news on Instagram with a photo of the happy couple.
"WE'RE ENGAGED š Damo popped the question while we were in The States," she wrote.
"I can't wait to annoy the hell out of you for the rest of our eternal lives š Love you".
Jones appeared in the 2015 version of Channel 10's reality show I'm A Celebrity... Get Me Out Of Here.
Congratulations!