Petra Ecclestone enjoys girls night out in .

She is embroiled in a acrimonious divorce battle with estranged husband James Stunt.

But Petra Ecclestone put her marital woes aside for an evening as she enjoyed a girls night out in West on Friday.

The billionaire heiress, 28, failed to raise a smile as she put on a leggy display in a denim bardot dress, which featured a crossed hem that showcased her tanned, slender pins. 

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Sombre: Petra Ecclestone put her marital woes aside for an evening as she enjoyed a girls night out in West Hollywood on Friday

Sombre: Petra Ecclestone put her marital woes aside for an evening as she enjoyed a girls night out in West on Friday

Her blonde  tresses were swept up into an elegant ponytail and she enhanced her sparkling peepers with smoky eyeshadow, fluttery lashes and liner.

Completing her make-up with a swipe of bronzer and frosted pink gloss on her lips, the mother-of-three looked effortlessly glamorous for her night on the tiles. 

She added height with scarlet stiletto sandals. 

Keeping her simple and sparkling she wore diamond stud earrings. 

Leggy: The billionaire heiress, 28, failed to raise a smile as she put on a leggy display in a denim bardot dress, which featured a crossed hem that showcased her tanned, slender pins

Leggy: The billionaire heiress, 28, failed to raise a smile as she put on a leggy display in a denim bardot dress, which featured a crossed hem that showcased her tanned, slender pins

Polished: Her blonde tresses were swept up into an elegant ponytail and she enhanced her sparkling peepers with smoky eyeshadow, fluttery lashes and liner

Petra has been in Los Angeles for the last week, enjoying a family holiday with her children, along with sister Tamara, her husband Jay Rutland and daughter Sophia, three.

Petra had initially postponed her trip with her children to attend the case management hearing to decide how to split her £5.5 billion fortune with the businessman - but James could not attend the hearing due to being in hospital.

The battle could go down as the biggest divorce settlement in celebrity history.

Petra's father, 86-year-old tycoon Bernie Ecclestone admitted that it was 'frustrating' for her to have postponed her

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