Taiwanese singer Elva Hsiao was spotted doing grocery shopping with Arissa Cheo's brother, Elroy, on Aug 11.
The couple were seen in similar outfits of white tees and matching black framed glasses.
According to a report on Asian Pop News, the pair got eight bags of groceries including items such as pre-cooked food and seasonings.
The 34-year-old star was seen seeking Elroy's opinion when she was selecting items, and their interaction made them looked like a married couple, added the report.
When fans spotted Elva and approached her for autographs and photos, the singer was seen pushing Elroy away gently, before calmly interacting with her fans.
After, she rejoined Elroy in a hurry, and she drove them back to her place -- sparking speculations that they are cohabiting.