The couple were all smiles as they sported matching pink outfits, while posing on the streets of the island nation.
"Look who came to see me in Japan. @samasghari. Great matching duo," Spears wrote alongside a picture of her and Asghari, 23, holding a couple of shopping bags.
In 2016, Asghari starred in Spears' music video "Slumber Party", in which he played her love interest.
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