1/3 Kate wore a double-breasted blazer by Philosphy Di Lorenzo Serafini Photo: Samir Hussein/WireImage 2/3 The Duchess let her hair down and remained stylish during a workout with air cadets. Photo: Karwai Tang/WireImage 3/3 The royal paired her look with heart shaped earrings Photo: Karwai Tang/WireImage © ¡HOLA! Prohibida la reproducción total o parcial de este reportaje y sus fotografías, aun citando su procedencia. Más sobre: Kate Middleton style British Royals Kate Middleton Más noticias sobre Kate Middleton style Kate Middleton looks elegant in blue to meet Princess Stéphanie in Luxembourg Kate Middleton joins kids to become farmer for a day Kate Middleton admits 'I'm shy,' while confessing motherhood can be 'lonely' Kate Middleton style: A look at the recycling queen’s fashion repeats