Princess Eugenie's sweet Whistles dress proves you don't have to spend big to be stylish this spring

Princess Eugenie looked amazing as she shunned maternity wear and opted for a loose-fitting blue floral mini dress from high street fave Whistles.

• Princess Eugenie is an Ambassador for Blue Marine Foundation, an organization that helps protect marine life.
• The Princess visited Solent Seascape Project wearing a stunning dress from the high street.
• In other royal news, King Charles's extravagant way of preparing for his coronation might surprise you.

While visiting Solent Seascape Project Princess Eugenie wore a pretty blue and black floral mini dress from the high street brand Whistles. Although pregnant and the Princess decided to shun maternity wear and instead opt for a dress that we can all get on board with. 

Eugenie paired the dress with black tights, leather ankle boots, and silver earrings. Although she looked fantastic, the dress also works well with bare legs making it a great spring-to-summer transitional style.

Princess Eugenie's Blurred Floral Trapeze Dress from Whistles is currently priced at $279 in the US but is on sale in the UK for an amazing £79.

Blurred Floral Trapeze Dress, £79, ($279) | Whistles

Get Eugenie's exact dress with this sweet smock-style dress from Whistles. Wear it with tights and flat boots in colder months or dress it up with bare legs and heels. 

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Or if you're after something similar but slightly more sophisticated Whistles have plenty more stunning styles.

Wood Tiger Shirred Dress, £85 ($195) | Whistles

Cut from a responsibly sourced viscose in a wintery blue shade with animal prints, this mini dress is elegantly designed with a tiered hem and it is shirred at the bodice and cuffs. Complete the look with long boots and oversized coats for a sophisticated look this winter.

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While attending the engagement, the Princess learned about the organization's environmental projects and even took part in some marine restorations. 

A video posted online showed Eugenie getting stuck in as she undertook biosecurity checks on native oysters before lowering them into nurseries in Langstone Harbour.