(FILES) British director Christopher Nolan attends the Oscar Nominees Luncheon at the Beverly Hilton in Beverly Hills, California, on February 12, 2024. AFP photos

Hollywood A-listers are getting ready to lavish awards on Christopher Nolan's atomic blockbuster "Oppenheimer" and party with "Barbie" on Sunday at the Oscars, the biggest night in showbiz.

Nolan's