Gaga walked the red carpet outside the star-studded gala, held at the Beverly Hilton Hotel in Beverly Hills, California, where she looked absolutely stunning in a gorgeous, curve-hugging, semi-sheer ivory gown while posing for the press.
"It just makes my heart sing. I am so happy to be here tonight," Gaga gushed. "He is such an incredible director and you know he made me a better actress."
The acclaimed film, which heads into this burgeoning awards season with some heavy Oscar buzz surrounding it, marked Cooper's directorial debut, as well as one of his most memorable performances to date.
"I just love him so much and he is such a dear friend of mine and I am just so proud to be here tonight," said Gaga, who explained that they've managed to remain friends even after the production wrapped and the promotion cycle came to an end earlier this year.
"We talk all the time, yeah," she shared. "And it's exciting and wonderful and we are both so grateful for how the film is being received."
"You know, that's what's really come out of all of this for me: the reward of a lifetime friendship with someone I deeply respect," she added.