She dated rapper Tyga in 2016.
Speaking to , Demi previously revealed: 'I always wanted to get into modelling and when I eventually got there I classed it as a blessing because I grew up being bullied and didn't have many friends at all.
She just found a new way of making money.
Amazing: The steamy snap comes after the Birmingham born beauty took to Instagram on Friday to pose in a tiny bikini top with a Jean Paul Gaultier sarong She captioned the shot: 'Over the land, over the sea'.
She's not the only famous face who uses the platform, with celebrities including Bella Thorne, Cardi B and Danniella Westbrook signing up to the service.
Demi told fans she was ditching her profile's subscription fee for a limited period.