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Gaga and Cooper’s chemistry was palpable as they smiled and hugged as they walked off the stage.
During the subsequent commercial break, they came out arm-in-arm to huge cheers from the entire house. Cooper kissed and huggedgirlfriend Irina Shaykwhen he got back to his seat.
Backstage immediately after their performance, Cooper and Gaga hugged tightly and were met with a swarm of clapping well-wishing production staff.
“Did I nail it?” asked Gaga. Taking in the congratulations, she looked at Cooper and said, “I’m so f—ing proud of you!”
From left: Lady Gaga and Bradley Cooper performing at the 2019 Oscars.Kevin Winter/Getty

“Shallow”received a Best Original SongnominationwhileA Star Is Born— which Cooper co-wrote and directed — is up for Best Picture. Gaga, 32, and Cooper, 44, also earned acting nods fortheir starring roles.
Be sure to check outPEOPLE’s full Oscars coverageto get the latest news on film’s biggest night.

In the movie, Gaga’s aspiring singer-songwriter character Ally composes “Shallow” and sings it to Jackson Maine (Cooper), a past-his-prime rocker she meets when he stumbles into a drag bar where she performs one night after his concert.
He falls in love with the song — and her — and soon brings Ally on tour to perform it with him.
Ally ends up becoming the bigger star and outshines Jack, whom she marries during her rise to fame.
Lady Gaga and Bradley Cooper.Kevin Winter/Getty

In the middle of herEnigmaresidency show at the Park MGM, the “Poker Face” singer said to the crowd: “So a really good friend of mine … I don’t know if you know him, but his name is Bradley. He made that movieA Star Is Born.”
The actor later revealed that he felt more like himself than his character during that performance.
“I watched the video back … I just look like this sort of idiot from Philadelphia who’s singing withLady Gaga,” CooperjokedonThe Late Show with Stephen Colbertearlier this month. “But I was like, ‘Oh, Jackson’s gone.’ ”
Clay Enos

RELATED VIDEO: Lady Gaga and Bradley Cooper Sing ‘Shallow’ Live for First Time in Surprise Performance
A Star Is Bornalso received recognition in the cinematography, sound mixing, adapted screenplay categories, plus Sam Elliott picked up a nod for Best Supporting Actor, giving the film a total of eight nominations.
The 91st Academy Awards are broadcasting live from Los Angeles on Sunday, Feb. 24, at 8 p.m. ET/5 p.m. PT on ABC.
source: people.com