The Bulls have beaten the Chiefs 61-17 to win rugby's Super 14 rugby final in Pretoria.
The Bulls scored eight tries to two to win by a record margin in a final.
Bulls centre Wynand Olivier was man of the match in the game played before a capacity crowd of 55,000 at Loftus Versfeld Stadium.
The Bulls led 34-7 at halftime, outscoring the Chiefs four tries to one in each half.
Scorers for the Bulls were Fourie du Preez (2), Bryan Habana (2), Victor Matfield, Wynand Olivier, Pierre Spies, Danie Rossouw tries.
Morne Steyn kicked five conversions and Burton Francis one, while Styen kicked two penalties and a drop goal.
The Chiefs' tries were scored by Lelia Masaga and Mils Muliaina. Stephen Donald converted both tries and kicked a penalty.