From now until 3 May 18, use your Citi Rewards Card at Duty Free Singapore (DFS), Takashimaya, and Tangs to earn 8 mpd. This promotion applies to both Visa Signature and World Mastercard versions of the card.
Take note that under this promotion, you can earn a maximum of 8000 miles, or S$1000 of spending, per statement cycle.
Full terms and conditions can be found here.