Yank Sing manager Liana Bravo, left, with actor Ashton Kutcher, right. The actor dined at the SF dim sum restaurant on Sept. 13.

San Francisco Chinese food institution Yank Sing has had an eventful couple of days. First, the venerable dim sum destination announced it will be closing the doors of its Rincon Center restaurant after 27 years. Then, a photo of Ashton Kutcher and Mila Kunis in the dining room blew up the restaurant’s Instagram.

The Hollywood actors and “That '70s Show” co-stars ate lunch at 101 Spear St. on Sunday, Yank Sing spokesperson Allie Tong confirmed to SFGATE. Manager Liana Bravo, who has been with the........

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