When it comes to fashion, Queen Letizia reigns supreme. Pictured at the Royal Theatre in Madrid on Thursday, the mum-of-two stepped out in a polished workwear ensemble that Miranda Priestley would be proud of. Turning to one of her favourite designers, BOSS, as she marked the 40th Anniversary of the CEOE Foundation's creation, Letizia, 53, turned heads in a ruffle bust blouse with an oh-so-chic bow at the neck. Adding a hint of edge to her outfit, the royal completed her look with a leather midi skirt, not to mention a brand new pair of black pumps from Tod's, which currently retail at £790.

© Getty Images Queen Letizia looked effortlessly chic while heading to an engagement at the Royal Theatre in Madrid

Never short of accessories, Letizia was also seen carrying her 'Victoria' insig

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