The flyweight, 25, shared the snap of her wearing a black bikini to her 2.2million followers.
She urged fans to check out her new vlog post detailing her adventures in Alaska on YouTube.
Fans soon flocked to the post to hail Paige, who is married to MMA fighter Austin Vanderford.
One wrote: “Wow you are very beautiful.”
“Paige! Come and visit use Aussies. We love you down here”
Another gushed: “Absolutely stunning.”
While a fellow fan hailed: “Paige! Come and visit use Aussies. We love you down here.”
Paige is stepping up her recovery from an arm injury.
She had surgery on the arm for a third time last month.
Before then she had returned to action in January after a year out following a broken arm.
But in March she suffered a fractured in training following a win over Rachael Ostovich.
Paige is a hugely popular athlete, and is followed on Instagram by footballer Cristiano Ronaldo and UFC star Conor McGregor.
She regularly shares training videos of her brutal conditioning regime.