Harper Beckham is the image of her mum Victoria in timeless in 'Posh Spice' dress

Harper Beckham in white tshirt with mum Victoria
Harper and Victoria Beckham (Instagram)

Harper Beckham, the youngest of David and Victoria Beckham's brood, has some seriously impressive fashion credentials.

On Sunday, fashion mogul Victoria took to Instagram to share several photos of her children in honour of Mother's Day - and in one, 12-year-old Harper was the picture of elegance as she donned a floor length black tube dress that was a modern take on her mum's iconic 'Posh Spice' tube dress from the nineties.

Standing between her three older brothers, Brooklyn, 25, Romeo, 21, and Cruz, 19, little Harper looked radiant in the monochromatic black outfit, which she layered with a chic black blazer.

Harper looked just like her mum Victoria as she posed between her brothers
Harper looked just like her mum Victoria as she posed between her brothers (Instagram)

The trendy tween styled her honey-blonde hair in bouncy curls and accessorised with delicate gold jewellery.In another Beckham family snap, Victoria and David joined in with the picture, and fans couldn't help but notice the likeness between Harper and her parents.

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"Wow! Harper is so grown up. Looking fab like her mum," wrote one fan, as another commented: "Like mother, like daughter."

"I love you all so much!!!" the former Spice Girl penned to her 32.7 million Instagram followers about her children. "Happy UK Mother’s Day to all the mother figures out there!!"

Harper was the image of her mum
Harper was the image of her mum (Instagram)

Despite her penchant for luxury fashion, Harper is just as much a cool-girl at heart. Earlier this month, the Beckhams descended upon Paris to support Victoria's runway show at Paris Fashion Week - and Harper was seen walking through the French capital in a seriously edgy ensemble.

Brooklyn and Harper Beckham holding hands looking casual in Paris
Brooklyn and Harper Beckham looked casual in Paris (Getty)

Harper's chilled-out look for an outing with her dad and brothers was a major contrast to her glamorous monochrome Skims dress worn on the Front Row at Fashion Week.

brooklyn beckham harper beckham nicola peltz lfw
Harper, 12, graced the Front Row at Paris Fashion Week (Getty)

The pre-teen was a noughties dream in flared trousers, a logo t-shirt and a hoodie, with her hair pulled back into a trending sleek ponytail. She held her dad's hand, as well as her oldest brother Brooklyn's hand as they strolled the streets of Paris ahead of their mum's big night.

Speaking to Grazia about how she's raising her children, Victoria revealed that she believes it's your responsibility as a parent to ensure you bring up "really good people".

brooklyn cruz harper and david beckham at pfw
Brooklyn, Cruz, Harper and David all flocked to Paris to support Victoria (Getty)

"I try to be the best mum, I try to be the best wife, I try to be the best professional," she said. "I feel really proud of our boys because they are turning out to be really good men. They work really hard, they’re kind kids and I think that being kind is key."