1.Cook pasta in large saucepan of boiling water, uncovered, until just tender, rinse under cold water; drain.
2.Meanwhile, heat oil in medium saucepan, cook curry powder, onion and capsicum, stirring, 1 minute. Set aside to cool.
3.Combine pasta, curry mixture, mayonnaise, cream and chicken in bowl, mix well. Serve curried chicken mixture on lettuce leaves.