It took nearly until the end of the festival, but the Cannes Film Festival has its first outright sensation.Joachim Trier’s “Sentimental Value” premiered Wednesday night to the kind of rapturous response that Cannes is fabled for.

Joachim Trier's new film Sentimental Value scored an extraordinary 19-minute standing ovation after its premiere screening in Cannes.

Charli xcx first declared a “Joachim Trier summer” at Coachella, and now Elle Fanning — one of the stars of his new film “Sentimental Value” — is doubling down. On Thursday, Fanning rocked a white T-shirt bearing the phrase to the Cannes Film Festival press conference for the film,