Shortly after their performance, the song snagged the award for best original song. Gaga and her co-writer, Mark Ronson, took the stage to accept the trophy.

Jennifer Hudson, who won the best supporting actress Oscar for her role in \"Dreamgirls\" in 2007, returned to the Oscar stage to perform \"I'll Fight,\" from the documentary \"RBG\" about Supreme Court Justice Ruth Bader Ginsberg. She belted out the Diane Warren-penned tune on a set designed to resemble the Supreme Court.

\"PHOTO:
Kevin Winter/Getty Images
PHOTO: Jennifer Hudson performs onstage during the 91st Annual Academy Awards at Dolby Theatre, Feb. 24, 2019 in Hollywood, Calif.
>

Bette Midler performed \"The Place Where Lost Things Go,\" the nominated song from \"Mary Poppins Returns,\" dressed in a whimsical flower dress and surrounded by floating umbrellas. The song, written by Marc Shaiman and Scott Wittman, was performed by Emily Blunt in the movie.

\"PHOTO:
Mike Blake/Reuters
PHOTO: Bette Midler sings "The Place Where Lost Things Go" during the Oscars, Feb. 24, 2019, at the Dolby Theatre in Los Angeles.
>

Gillian Welch and David Rawlings took the stage to perform \"When a Cowboy Trades His Spurs for Wings,\" from the movie \"The Ballad of Buster Scruggs.\"

\"PHOTO:
Mike Blake/Reuters
PHOTO: Gillian Welch and David Rawlings sing "When A Cowboy Trades His Spurs for Wings" from film, "The Ballard of Buster Scruggs," Feb. 24, 2019 during the Oscars at the Dolby Theatre in Los Angeles.
>

The only best original song nominee that did not get a performance was \"All the Stars\" by Kendrick Lamar and SZA from \"Black Panther.\" Logistics and scheduling were apparently to blame for Lamar's absence.

Initially, the Academy was only going to allow the two most successful best original song nominees -- \"All the Stars\" and \"Shallow\" -- to perform on the telecast, but after backlash from the nominees, it relented and said it would allow all of the nominated tunes to be performed.

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