Order of the Garter

 "The Queen was joined in Windsor by members of the royal family, including the Duchess of Cambridge, for an Order of the Garter Service.The annual service takes place every June on the Monday of Royal Ascot week, known as Garter Day.New Companions of the Order are invested with their insignia in the Throne Room of Windsor Castle.The Order of the Garter was founded by Edward III in 1348 and is the oldest British Order of Chivalry.The Order is limited to 24 knights, each chosen individually by the Queen for their contribution to public life or the Sovereign." -BBC-

Kate wore a Katherine Hooker dress and a grey Katherine Hooker Buxton coat over it with a Rachel Trevor Morgan hat. She had the same cross on her neck as on the wedding of Rose Astor and Hugh Van Custem in 2005

source: Dailymail, BBC

Trooping the Colour

 The annual Trooping the Colour parade took place today, on 11th of June, in London. The event celebrated the Queen's birthday, although she was born in April. Kate was a part of the ceremony along with the Royal Family in a white double breasted coat and a black hat, having a huge smile on her face and with her usual blue sapphire engagement ring on.

source: Dailymail, Mirror 
more photos: Just Jared

Epsom Derby

Kate Middleton appeared in an elegant, long sleeve cream-coloured jacket, short skirt, high-heeled shoes and a  brown hat. (designers haven't been released yet). She accompanied her husband, William alongside with his brother Harry to support the Queen's horse, Carlton House. Much of the royal family showed up, including the Queen, Prince Philip, Princess Eugenie and Beatrice,Prince Andrew,  Prince Edward and his wife Sophie(who looked great).
Kate's parents also showed up to support Sohraab, that they partly own.
source: Dailymail
outfit details here!

Carole Middleton