[2] Her dam, Lady Ambassador was a speedy racemare who won four races in Ireland over sprint distances[3] and went to produce the John Porter Stakes winner Lucido.
[4][5] Leggera made her racecourse debut in a maiden race over seven furlongs at Sandown Park on 14 August in which she was ridden by Tim Sprake and started a 25/1 outsider in a thirteen-runner field.
She was then sent to Germany and ran second to Elle Danzig in the Preis der Diana on 1 June before returning to England and coming home fourth behind Catchascatchcan, Rambling Rose and Silver Rhapsody in Lancashire Oaks at Haydock Park in July.
[8] On 13 September Leggera was stepped up to Group 1 class for the first time when she was partnered by Richard Quinn) in the Prix Vermeille over 2400 metres at Longchamp Racecourse and started at odds of 10/1 in an eleven-runner field.
[10] For her final run of the year, the filly was sent to the United States to contest the Breeders' Cup Turf at Churchill Downs but ran poorly and came home twelfth of the thirteen runners behind Buck's Boy.
On her first run of the year the filly started favourite for the Prix Jean de Chaudenay over 2400 metres at Saint-Cloud Racecourse on 14 May but after racing in second place she faded badly in the straight and came home last of the five runners behind Public Purse.
She was off the track for almost four months before returning in the Doonside Cup at Ayr Racecourse in September and was made the 6/4 favourite, with the best-fancied of her six opponents being Largesse (winner of the race in the previous year) and Carry The Flag (Rosebery Stakes).
She ran well without ever looking likely to win and came fourth behind Montjeu, El Condor Pasa and Croco Rouge with Tiger Hill, Daylami, Fantastic Light and Borgia finishing behind.