The 26-year-old shared the photo to her Snapchat of the disgraced policeman and convicted drug trafficker's bare behind.
The Gold Coast-based socialite failed to find happiness on Married On First Sight, attempting romance with numerous contestants until she left the show.
She met Dean, 31, once filming had finished and he revealed he had fallen in love with her after watching the reality show.
'He'd seen me on the show and just sent me a really long message, not really expecting anything,' Cheryl told an Australian publication earlier this year.
'Then it just kind of…one thing led to another, I guess. We're in love! I'm just, like, this it's too good to be true!' she added.
The brunette stunner also revealed the couple 'see a future together', hinting marriage could be on the cards soon.