The Victorian-based star took to Instagram to share the exciting announcement!
"A bit of femininity is always a ripper way to boost your self-confidence. Women should embrace & love their bodies because all shapes & sizes are absolutely beautiful! @brasnthings#iamvamp head to www.elyseknowles.com.au to see more," she captioned a picture of herself in lingerie.
Fans quickly took to the post to share messaged of congratulations.
"So proud of you saw this in Perth and was so excited. You are doing amazing. #KeepItNorth," one wrote.
While another commented: "You should try out for Victoria Secret next year @elyseknowlzystunning!! Rep Aus!! Xx"
Knowles is currently competing on the Channel 9 hit show alongside her partner Josh.