June 5 (Reuters) - Lululemon Athletica beat Wall Street expectations for first-quarter revenue on Wednesday, as strong international business helped buffer a slowdown in consumer discretionary spending in its key North America market.

The athleisure apparel maker posts quarterly net revenue of $2.21 billion, above analysts' average estimate of $2.19 billion, according to LSEG data. (Reporting by Savyata Mishra in Bengaluru; Editing by Maju Samuel)