On Friday, Queen Maxima and Princess Beatrix attended a concert by the Royal Concertgebouw Orchestra conducted by Klaus Mäkelä.

Queen Maxima is Patron of the Royal Concertgebouw Orchestra and she and Princess Beatrix met with Klaus Mäkelä after the concert.

Queen Maxima wore a black outfit with Aquazzura pumps and her Gianvito Rossi clutch.

Princess Beatrix wore a black outfit with her Salvatore Ferragamo pumps.