2019 continued to be a busy year for Siti as she was involved with local and international solo concerts, expansion of her cosmetics business, and multiple releases of new songs. Her live appearance on Malaysian television shopping program Go Shop on 6 January as spokesperson for cookware company Vantage set a new sale record for the program. In only two hours, she managed to sell 22,000 units of her special edition cookware etched with her signature for RM369 per unit. In total, she sold RM8 million worth of the special edition cookware at a rate of RM67,000 per minute. Five days later, her name and her birthday hashtag were trending topics among Malaysian Twitter users during her 40th birthday on 11 January. She was also honored by multiple Malaysian radio stations as they organized various special programs and segments to celebrate her birthday. First announced in December 2018, she embarked on Dato' Sri Siti Nurhaliza On Tour to Indonesia on 21 February, Singapore on 2 March, and Malaysia on 16 March. Citing production cost of RM10 million, it is the most expensive concert by a Malaysian artist. Her last stop for the tour in Malaysia at Axiata Arena on 16 March was attended by 12,000 people. "Ikhlas", a special Eid al-Fitr single featuring Siti with Indonesian singer Nissa Sabyan and Singaporean singer Taufik Batisah was released on 31 May. A special collaboration between Apple Music and Universal Music Malaysia, it is the first of its kind where singers from three countries sing together an Eid al-Fitr song.