Bradley Cooper will go to Oscars with Gigi Hadid

Bradley Cooper is preparing to “hard launch” his relationship with Gigi Hadid at the Oscars, is told.

Cooper — who’s nominated on Sunday for “Maestro” — is expected to attend the Vanity Fair party with his supermodel girlfriend, friends say.

The couple has kept a relatively low profile since they started dating in October.

But things are heating up. One source who knows Hadid told us, “It’s definitely getting more serious, they are totally into each other.”

Other sources said that Hadid, 28, will join Cooper, 49, at the lavish Oscars after-parties, as another insider said, “I don’t know if they will walk the Vanity Fair carpet together, but they will join up inside.”

And don’t expect to see Hadid on the red carpet at Hollywood’s biggest night because Cooper always brings his beloved mom, Gloria Campano.

Hadid has met Campano, however, as she joined Campano and Cooper after the Golden Globes in January for dinner at trendy eatery Giorgio Baldi in LA. And Campano has been spotted wearing a pair of sneakers from Hadid’s Guest in Residence range.

Although the star’s 6-year-old daughter Lea De Seine – who has a cameo in “Maestro” playing Bernstein’s young daughter – made her public debut at the film’s LA premiere in December, she won’t be attending the Oscars.

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Cooper remains close to his ex, Russian model, Irina Shayk. After the LA premiere, Shayk posted a cute message online, “Congrats @maestrofilm…So proud Daddy and Lea.” Hadid has a daughter, Khai, 3, with her ex, Zayn Malik.

Cooper has been nominated for an Oscar 12 times — but never won.

This year he’s up for Best Actor for his portrayal of musical impresario Leonard Bernstein, while his co-star Carey Mulligan is nominated for Best Actress as Bernstein’s wife, Felicia Montealegre Bernstein. The movie — directed by Cooper —…