was a vision in blue as she stepped out over the weekend in Australia for .

Princess Anne's daughter is for the annual 10-day Magic Millions horse racing event.

On Saturday, she was the epitome of a modern-day Cinderella as she showed up in a baby blue dress by Rebecca Vallance, which she paired with a colour-matching headpiece by Victoria Charles.

She accessorised the outfit with a blush pink g and a pair of colour-matching Sauvereign Gem Court Shoes. She was also seen wearing a by Valley.

For jewellery, Zara kept it simple with gold bangles, a watch and a pair of rose-jewelled drop earrings.

Husband Mike looked equally dapper as he matched his wife with a cream suit with light blue accents.

Royal fans went into a frenzy over Zara's latest look and took to social media to praise her for her sartorial choices.

One user wrote on X: "That dress is beautiful and the colour is totally awesome! Zara has impeccable taste."

A second person said: "Pretty! Very 1950s style and looks very smart."

A third fan added: "Once again, Zara looks great head to toe, speaking of which, how much do I love her shoes!!?!! Love when she & Mike coordinate, fabulous."

While a fourth commented: "Both look lovely, comfortable, well groomed and well co-ordinated."

A fifth person chimed: "She looks perfect from head to toe, and Mike seems thoroughly enchanted."