Prince William's girlfriend at Cheltenham Festival

Racegoer wearing a horse head costume watches on the final day of the annual Cheltenham Festival horse racing in western England, March 16, 2007.

A racegoer wearing a horse head costume watches on the final day of the Cheltenham Festival horse racing in Gloucestershire, western England, March 16, 2007.

Kate Middleton (R), girlfriend of Britain's Prince William, studies a race card with an unidentified friend on the final day of the Cheltenham Festival horse racing in Gloucestershire, western England, March 16 2007.

Kate Middleton, girlfriend of Britain's Prince William, studies a race card on the final day of the Cheltenham Festival horse racing in Gloucestershire, western England, March 16 2007.

2007-03-19