Meg Ryan, Billy Crystal attend the TCM Classic Film Festival (33 images)

Stars attend the opening night screening of "When Harry Met Sally" at the 10th annual TCM Classic Film Festival in Los Angeles on Thursday.

Actress and writer Sloan DeForest. Photo by Chris Chew/UPI

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Rob Marshall of "Mary Poppins Returns." Photo by Chris Chew/UPI

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Mario Cantone of "Sex and the City." Photo by Chris Chew/UPI

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Producer and writer Alan Zweibel (L) and his wife, Robin Zweibel, arrive for the screening. Photo by Chris Chew/UPI

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