A Playboy model who starred in Justin Bieber and Calvin Harris music videos is expecting her first child with her billionaire husband.

Xenia Deli, 28, famous for the videos for What Do You Mean?, by Bieber and Thinking About You, by Harris, is married to an Egyptian businessman 37 years her senior.

The Moldovan brunette fell shared a snap of her bulging belly under a yellow top and holding her stomach with her 850,000 followers.

Xenia Deli, 28, is expecting her first child with her billionaire husband, posting this snap of her bulging belly under a yellow top and holding her stomach to Instagram

Deli is famous for appearing in music videos for What Do You Mean? with Justin Bieber and and Thinking About You by Calvin Harris

Deli in the lingerie she wore in the What Do You Mean? music video with Justin Bieber

Deli married Ossama Fathi Rabah Al-Sharif, 65, on the popular Greek holiday island of Santorini in June 2016 in a clifftop ceremony costing £860,000.

More than 150 guests attended the outdoor wedding including five bridesmaids, all dressed in blush pink, who took photos with her against the idyllic backdrop.

The newlyweds then enjoyed a few days in the sun on Santorini, before jetting off to Switzerland, where her parents - closer in age to Xenia's husband - live.

'It's the feeling when u wake up and realise that u are the happiest women in the world! And it's only because of you,' she said next to a photos of them holding hands as she wore a huge diamond ring.

'My love, my mentor, my friend!!! Congratulations I love you.'

Deli married Ossama Fathi Rabah Al-Sharif, 65, on the popular Greek holiday island of Santorini in June 2016 in a clifftop ceremony costing £860,000

More than 150 guests attended the outdoor wedding including five bridesmaids, all dressed in blush pink, who took photos with her against the idyllic backdrop.

The newlyweds then enjoyed a few days in the sun on Santorini (pictured), before jetting off to Switzerland, where her parents - closer in age to Xenia's husband - live.

'It's the feeling when u wake up and realise that u are the happiest women in the world! And it's only because of you,' she said next to a photos of them holding hands as she wore a huge diamond ring

She wrote next to one of their wedding photos: 'Thank u my love for a memorable day! Engraved in my heart forever!'

They began dating in late 2015, making their courtship a whirlwind with their wedding barely six months later.

Mr Rabah won her over by buying expensive gifts including diamonds, a red Maserati, huge bouquets of flowers, and trips in his private jet.

Deli never tried to hide the age difference between them and on a number of occasions has personally responded to critics online.

'Who you are to judge the life I live? I'm not perfect and I don't have to be! Before you start pointing fingers, make sure your hands are clean,' she said to one.

The former teaching student appeared on the cover of Playboy and in FHM, GQ, Sports Illustrated, Vogue, Harper's Bazaar, and Maxim.

The former teaching student appeared on the cover of Playboy and in FHM, GQ, Sports Illustrated, Vogue, Harper's Bazaar, and Maxim

Her model career began when she married photographer Patrick Cox who she met while working as a waitress and went to modelling school

Deli and Mr Rabah began dating in late 2015, making their courtship a whirlwind with their wedding barely six months later

Deli never tried to hide the age difference between them and on a number of occasions has personally responded to critics online

Mr Rabah is Muslim of Palestinian origin but Deli maintained her Eastern Orthodox faith after the marriage.

Her model career began when she married photographer Patrick Cox who she met while working as a waitress and went to modelling school.

The pair divorced years ago but it was not clear when nor why their relationship soured. She also dated singer Egor Kreed in 2015 before meeting Mr Rabah.

Fans speculated she was dating Bieber after their suggestive music video for smash hit What Do You Mean? came out in 2015 but the pair were never linked.

Her model career began when she married photographer Patrick Cox who she met while working as a waitress and went to modelling school