A tourist from mainland China was sentenced to nine weeks in jail in Singapore on Thursday for stealing luxury apparel worth S$18,750 (US$13,500) from The Shoppes at Marina Bay Sands (MBS) and Paragon shopping malls.Huang Shiyuan, 26, initially got away after stealing from the two Gucci stores in December last year.But two days later, the Chinese citizen was arrested while shoplifting from the Gucci store at MBS. She admitted that she had done it again because of her previous success, and…