Co-directed by James Cameron, the pop superstar's new movie proves she's the only bird of her feather Billie Eilish ’s excellent new concert movie Hit Me Hard and Soft: The Tour (Live in 3D) i s the rare film that’s directed by two Oscar winners: James Cameron and Eilish herself . These two make an unusual pair, coming from two totally different worlds — the man who directed Titanic and the woman who wrote “Lunch.” (She’s won Best Song twice, for the Barbie song you remember and a James Bond theme you don’t.) It’s a 3D film, for that extra-immersive experience. But onscreen, as onstage, there’s nobody else on earth like Billie Eilish. Hit Me Hard and Soft: The Tour (Live in 3D) is her third concert film, after the animation-heavy 2021 Happier Than Ever: A Love Letter to Los Angeles and the 2023 Live at the O2 . But despite the 3D effects, it ends up as a straight-ahead presentation of a no-frills stage show. Like the tour, it all comes down to Eilish and the power of her deeply personal songs.…