Kate back to her best: No grey hair

Duchess of Cambridge, Patron of SportsAid charity, attends the SportsBall, the charity's annual gala dinner, in London. (AP)

(AP)

(AP)

(AP)

(AP)

Catherine, Duchess of Cambridge arrives at the SportsAid SportsBall in London. (REUTERS)

Catherine, Duchess of Cambridge arrives at the SportsAid SportsBall event in London . (REUTERS)

Catherine, Duchess of Cambridge (Photo by Getty Images)

Catherine, Duchess of Cambridge, patron of SportsAid charity, talks with shooter Amber Hill, 16, (R) after presenting the charity's this year's One-to-Watch Award at the SportsBall, the charity's annual gala dinner at Victoria Embankment Gardens in London, England. (Photo by Getty Images)

Catherine, Duchess of Cambridge (Photo Getty Images)