The Royal Wardrobe: red, black and white

Queen Letizia of Spain welcoming Michelle Obama to Spain this week

There was a lot of red in the Royal Wardrobe this week. We had coats and dresses providing big splashes of colour as summer really got started as well as some subtle hints of black and white. This mixed bag produced some great looks - here are five of the best from this week's Royal Wardrobe. And, as always, you can vote in the poll on the main page here.

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Queen Letizia of Spain chose a simple but stunning red dress as she welcomed the First Lady of the United States, Michelle Obama, to Madrid. Letizia's summer frock featured lots of ruching and pleating but the understated structure and discreet length meant it all stayed on the stylish side. Add in a pair of classic cream courts and you have a chic summer look. 

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Crown Princess Mette-Marit of Norway needed to cover up in some chilly weaather as she continued the Jubilee tour marking the 25 years her in laws have been on the throne. But that didn't stop her being super stylish and her cream coat over a basket wave dress for a stop in Stavanger was warm and wonderful all at the same time. The striking turquoise jewellery was about as spot on as accessories get - Mette Marit looked marvellous.

As she celebrated her fifth wedding anniversary, Princess Charlene of Monaco accompanied her husband to an event marking the 10th anniversary of the Prince Albert Foundation. Charlene chose a striking deep burgundy shift dress that was really worth celebrating. A simple column dress with consrasting skinny belt and a pair of diamond earrings that dazzled, this was chic and then some.

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The Duchess of Cambridge looked suitably sombre as she attended events marking the centenary of the start of the Battle of the Somme. Kate wore a black dress with dark cream overlay and black straw hat which suited the occasion perfectly. 

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There was more red from Charlotte Casiraghi who chose a pleat effect leather look dress for a horse riding event in Monaco. The shape was similar to Queen Letizia's but the texture and styling were different enough to stop a collective shout of snap happening. This is young, fresh and very on trend. No wonder Charlotte is smiling, she looks great.