Oscars best, worst moments: Ke Huy Quan, Lady Gaga, Rihanna, more - USA TODAY

Wearing just a T-shirt, ripped jeans and a mostly bare face, Gaga delivered raw vocals as she sang a stripped-down version of the bombastic pop ballad, which she described as "deeply personal."

Polling A-listers in the audience with questions submitted by fans, Kimmel asked Yousafzai her thoughts on the “Don’t Worry Darling” drama from Venice Film Festival last fall.

The late-night host took no prisoners with his razor-sharp opening monologue: roasting Brad Pitt's"Babylon" for bombing at the box office, Nicole Kidman for her viral AMC Theatres ad, and the academy for snubbing female filmmakers in this year's best director category.

After surprising at the Screen Actors Guild Awards with a best supporting actress win, Curtis repeated at the Oscars in the category, beating out fellow contenders Angela Bassett(“Black Panther: Wakanda Forever”) and Kerry Condon (“The Banshees of Inisherin”) in one of the night’s tightest races.

In her acceptance speech, Curtis reflected on her eclectic career, which includes comedies “A Fish Called Wanda” and “Freaky Friday,” and the “Halloween” horror franchise.

Travolta returned to the Oscars stage to introduce the In Memoriam tribute, tearing up as he remembered his “Grease” co-star Olivia Newton-John, who died last year at 73 after a long battle with breast cancer.