Magnets shot to No. 1 on iTunes in New Zealand when it was released in September.
Disclosure is set to perform in New Zealand early next year at Auckland's Echo Festival, at Vector Arena in January.
It is hoped Lorde will decide to make a surprise appearance with them for that performance too. However, no official announcement has been made.
Spy also understands the global sensation will be among the glamorous set attending the Vodafone NZ Music Awards this week.
Lorde, who turned 19 last weekend, is up for two awards at this year's ceremony - the People's Choice Award and Single of the Year for Yellow Flicker Beat.
Her presence at Auckland's Vector Arena next Thursday is expected to increase the number of fans expected to line the red carpet at arrivals time.