She is there to support the FEI world championships . It's a huge equestrian event and Zara Phillips and Infanta Elena are also attending.

I love Amalia's outfit, except for the shoulder bag. It doesn't go with the sweater and trousers. Amalia is really coming into her own and she's a knockout.

https://www.facebook.com/photo?fbid=1663961779068088&set=a.517399067057704