[4] On her first run of 1991 Possessive Dancer was assigned a weight of 122 pounds in a handicap race for three-year-old fillies over one mile at Kempton Park Racecourse on 24 April.
[5] Twelve days later she started 4/1 favourite for a handicap over nine furlongs at the same track, despite carrying top weight of 134 pounds and facing male opposition for the first time.
The Epsom Oaks winner Jet Ski Lady started favourite ahead of Third Watch (Ribblesdale Stakes) and Polemic (second in the Prix Saint-Alary) with Possessive Dancer next in the betting on 8/1.
[8] After five consecutive victories Possessive Dancer started 13/8 favourite in a seven-runner field for the Yorkshire Oaks at York Racecourse on 21 August but sustained her first defeat as she came home fifth behind Magnificent Star, Jet Ski Lady, Shamshir and Third Watch.
On her final run of the season she was sent to France for the Prix Vermeille over 2400 metres at Longchamp Racecourse on 15 September and finished tenth of the fourteen runners behind Magic Night.