On and off screen couple Mason Thames and Mckenna Grace step out for a screening of their new movie Regretting You !

The 18-year-old actor and the 19-year-old actress attended a sorority screening of the film at AMC Century City 15 on Tuesday (September 30) in Los Angeles.

They were joined by hosts of the evening, sisters and book lovers Annabelle and Alexandra Chang , the latter who is also an author herself!

Just a couple days earlier, Mckenna attended another screening, where she was joined by a few movie icons who have worked with Regretting You producer Brunson Green in the past.

The upcoming movie, based on the book by Colleen Hoover , introduces audiences to Morgan Grant ( Allison Williams ) and her daughter Clara ( Grace ) as they explore w

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