Hailee Steinfeldhas gone blonde!

The 24-year-old actress and artist debuted a new look at the Metropolitan Museum of Art’sCostume Institute Galaon Monday, surprising fans with a platinum bob and light eyebrows to match. Steinfeldstepped outin a glittering beige slip Iris Van Herpen dress with radiant, petal-shaped panels and matching Jimmy Choo platforms for fashion’s biggest night.

Taylor Hill/WireImage

Hailee Steinfeld

George Pimentel/Getty Images; Kevin Mazur/MG19/Getty Images

Hailee Steinfeld

After making the statement on the carpet, Steinfeld sent Twitter fans into a tizzy over the new look, with many saying they initially didn’t recognize her without her brunette tresses.

Be sure to check out all of PEOPLE’sMet Gala coverageto get the latest news on fashion’s biggest night.

“Hailee Steinfeld legit made me gasp (and had to triple check it was her lol) — a top-tier look#MetGala,” one userwrote.

“I am shooketh. I cannot reconcile that is Hailee Steinfeld,” anotheragreed.

Oneoffered, “It’s her eyebrows and her hair. It completely changes how she looks.”

Breaking down the look even further, another argued “It’s like she picked out her dress and built her look around it. And now she’s an angel for the night…” theysaid.

“I don’t think she’s copying anyone. Makeup Artsit deserves some props here 👏,” they added.

Arturo Holmes/MG21/Getty Images

Hailee Steinfeld

Earlier this year, Steinfeld opened up toPEOPLEabout being in the spotlight for a decade, after finding fame at 13 inTrue Gritalongside Jeff Bridges.

Though she’s nearing her mid-20s, the star said shedefinitely missed outon some typical teenage milestones because of her upbringing.

source: people.com