Demi sizzled in the revealing thong two-piece that showed off her tiny waist to perfection.
She teamed the look with pearl-coloured sliders and looked minxily over one shoulder as she posed on the bright blue quad bike.
The bikini is part of her latest Ibiza X collection for ISAWITFIRST.COM
The Sun Online reported a few days ago that Birmingham born Demi is planning to move to the US next month with her boyfriend, DJ Chris Martinez.
A source close to Demi said: “Demi’s taking time out from Ibiza with her boyfriend and moving to US in October to crack the American market.
“She’s got a big fanbase in the US and lots of her fans actually think she’s American.
“She’ll still mainly be doing modelling and has some big things lined up with famous brands.
“Demi and Chris have already got a place together in Ibiza, but they’ll be living together in the US too.”
Demi previously told The Sun how she’d like to move into acting in LA.
She said: “I’ve been taking acting classes once a week and they are helping to build my confidence.
“The plan is to move to Los Angeles as soon as I can get a working visa.
Demi Rose looks incredible in a cut out white dress as she celebrates her 23rd birthday in a restaurant in London
“I can’t be sure I am going to make it but I want to try my best.”
“Movies have always been a passion of mine since I went to stage school.
“But another ambition is to become a Bond Girl, as I love the style and glamour of those films.”