Royal style of the month - April 2017

Queen Maxima invited 150 guests to the palace for King Willem-Alexander's birthday celebration where she stunned in an embellished one-shouldered gown.
Photo: Michael Campanella/WireImage

Queen Letizia had one of her most stunning style moments to date in a red Stella McCartney-caped gown.
Photo: Patrick van Katwijk/Getty Images

The Spanish queen layered up in a grey ensemble with hints of regal purple for an unseasonably chilly day at Cardenal Herrera University in Valencia, Spain.
Photo: Getty Images

Queen Maxima and her daughters Princess Amalia, Princess Alexia and Princess Ariane coordinated in cozy earth tones at King Willem-Alexander's 50th birthday celebration in Tilburg, Netherlands.
Photo: Patrick van Katwijk/Getty Images

Sweden's future queen Crown Princess Victoria was a vision in blue at the 20th anniversary of the Organisation for the Prohibition of Chemical Weapons (OPCW) in the Ridderzaal in The Hague.
Photo: Patrick van Katwijk/Getty Images

At the launch of The Ned, London, Sarah, Duchess of York and her daughters showed that they love high-low fashion! Princess Beatrice, left, wore a jacket from Zara's spring collection, while her mom donned the same military-style jacket from the brand that daughter Beatrice was spotted wearing last year.
Photo: Getty Images

Queen Maxima of the Netherlands was all about spring blossoms for the W20 conference in Berlin, Germany.
Photo: Getty Images

Princess Beatrice of York continued her stylish week in a knit skater dress at a VIP dinner celebrating Mrs Alice for French Sole at The Connaught Hotel in London.
Photo: David M Benett/Dave Benett/Getty Images for French Sole

Crown Princess Victoria of Sweden wore a white dress with embellished neckline and sleeves as Japanese Crown Prince Naruhito welcomed her to Togu Palace in Tokyo.
Photo: TOSHIFUMI KITAMURA/AFP/Getty Images

Crown Princess Victoria of Sweden visited Shiogama Shinto Shrine in Japan, wearing a kimono-style wrap jacket, and silver flats.
Photo: Getty Images

Queen Maxima of the Netherlands wore muted and matching accessories to play off her patterned pink coat for her visit to social restaurant Resto VanHarte.
Photo: Getty Images

Queen Mathilde of Belgium went bright pink for an event in the Royal Greenhouses of Laeken. Her floral envelope clutch was the perfect botanical touch.
Photo: Getty Images

Kate wore vivid red Giorgio Armani as she joined husband Prince William and Prince Harry for a Heads Together engagement in London.
Photos: Getty Images

Queen Letizia of Spain attended the Miguel de Cervantes Awards in an embroidered Felipe Varela coatdress. Her slim clutch was a match for her heels by Spanish designer Magrit.
Photo: Getty Images

Wearing a striped sweater by Luisa Spagnoli and white Superga sneakers, a dressed-down Duchess of Cambridge hosted a special Heads Together reception for London marathon runners at Kensington Palace.
Photo: Getty Images

The Queen showed she's a fan of regal purple as she chatted with great-niece Lady Margarita Armstrong-Jones, who served as flower girl at Prince William and Duchess Kate's wedding in 2011. The 14-year-old royal looked very ladylike herself in an eyelet lace dress and flats.
Photo: Justin Tallis - WPA Pool /Getty Images

These boots were made for making change! Princess Beatrice wore velvet footwear and a purple minidress on stage at WE Day New York Welcome, to celebrate young people changing the world, at Radio City Music Hall.
Photo: Dimitrios Kambouris/Getty Images for WE

Wearing a feather-trimmed dress and yellow heels, Queen Maxima of the Netherlands was a study in colour block accessorizing as she opened StudyPortals headquarters in Eindhoven.
Photo: Patrick van Katwijk/Getty Images

Queen Maxima of the Netherlands was lovely – and leggy! – in lace as she opened a Chinese porcelain exhibition at the Prinsenhof Museum in Delft.
Photo: Patrick van Katwijk/Getty Images

Queen Rania of Jordan and First Lady Melania Trump coordinated in belted dresses and pointy pumps during the Jordanian royal's visit to the White House.
Photo: Mark Wilson/Getty Images

The Duchess of Cambridge attended the Service of Hope at Westminster Abbey in London wearing a recycled Missoni coat and matching hat.
Photo: Getty Images

Queen Letizia of Spain mixed crimson hues at a ceremony in Tokyo – a bright red Felipe Varela coat worn with a burgundy velvet dress and matching heels.
Photo: Getty Images

King Felipe's wife embraced her inner Cinderella in this navy blue embroidered ballgown and gold sash to attend a state banquet at the Imperial Palace in Tokyo.
Photo: Getty Images

Kate stepped out for the Opening Night Royal Gala performance of '42nd Street' in London wearing a gorgeous tea length dress by Marchesa.
Photo: Getty Images

King Felipe VI of Spain and wife Queen Letizia arrived at Haneda Airport in Tokyo for their four-day state visit to Japan. Letizia wore a black dress under a camel and black colour-block coat.
Photo: Getty Images