Formula One champion Jenson Button’s fiancé Brittny Ward is showing of her baby bump and much more in a new photo shoot.

The 28-year-old former Playboy Playmate is expecting the couple’s first child and posted an image of herself completely naked to Instagram, with the caption:

“My belly may still be small for 7 months, but every woman’s body is different and ALL bellies should be celebrated big or small. #29weekspregnant”

Ward's social media is full of photos featuring her growing stomach, though none as revealing as the one taken by Playboy and fashion photographer Robert Voltaire.

User scrambledturtle commented: “So what do you think you kid is gonna say when he/she eventually finds this cause I want to see that conversation”

The native Californian has been dating Button since 2016, and her bikini company Girls on Swim often features classic sports cars in its advertising.

England-born Button retired from full-time Formula One driving in 2016 after a 17-year career that included winning the 2009 series title.