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Natalie Portman is having a blonde moment!

Attending a dinner for choreographer husband Benjamin Millepied’s L.A. Dance Project, the Oscar winner debuted her lighter locks (which managed to outshine her white Dior gown) at the Walt Disney Concert Hall.

She rarely makes drastic hair changes, but she’s not the only one who’s recently ditched her brunette roots: Perhaps she’s taking a style cue from, say, Miley Cyrus?

Portman actually had L.A. colorist Tracey Cunningham switch up her ‘do for a role.

“My mom says I’m like a different person,” the Black Swan star, mom to 1-year-old Aleph, tells The Hollywood Reporter. “I did it just a couple of days ago.”

“Natalie makes a beautiful blonde!” Cunningham says of the switch-up, which she achieved with Redken’s Blonde Dimensions. “She needed to make the change for an upcoming movie role, so we we achieved a gorgeous, multi-dimensional golden honey blonde”

Tell us: Do you prefer Portman as a blonde?

-Alison Schwartz