Jenson Button's pregnant fiancée Brittny Ward cradles baby bump in floral maxi ...

Jenson Button's pregnant fiancé Brittny Ward proudly displayed her blossoming baby bump on Sunday, as the couple enjoyed a Father's Day outing at the Beverly Hills Concours d'Elegance.

The Playboy model, 28, highlighted her changing frame in a chic floral maxi as she joined the Formula One driver, 39 at the car show.

It comes after Brittny and Jenson revealed that they were expecting a baby boy, as the brunette beauty took to Instagram to share a snap of her growing belly.

Happy couple: Jenson Button's pregnant fiancé Brittny Ward, 28, displayed her baby bump on Sunday, as the couple enjoyed a Father's Day outing at the Beverly Hills Concours d'Elegance

Happy couple: Jenson Button's pregnant fiancé Brittny Ward, 28, displayed her baby bump on Sunday, as the couple enjoyed a Father's Day outing at the Beverly Hills Concours d'Elegance

Brittny - who is thought to be around eight months pregnant - cut a casual figure as she held hands with her husband-to-be, and showed off her bump in the relaxed floral dress.

The star looked effortlessly chic in the relaxed ensemble, as she counts down the weeks until she gives birth to her first child.

Last month Brittny stunned fans with a beautiful naked snap, as she defiantly told fans it did not matter how big her bump was.  

Mum-to-be: The Playboy model highlighted her changing frame in a chic floral maxi as she joined the Formula One driver, 39 at the car show

Mum-to-be: The Playboy model highlighted her changing frame in a chic floral maxi as she joined the Formula One driver, 39 at the car show

Posting the snap on Instagram, the model, wrote: '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.' 

In April Brittny - who got engaged to Jenson in June 2018 after two years of dating -also took to Instagram to reveal that the couple are expecting a boy.

The Californian native beamed with delight as she cradled her growing belly while posing for the sweet shot, wearing a pretty blue floral bikini.  

She captioned the

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