Lady Gaga (L) and Bradley Cooper perform during the 91st Annual Academy Awards at the Dolby Theatre in Hollywood, California on February 24, 2019.
HOLLYWOOD - Lady Gaga and Bradley Cooper's intimate performance at the Oscars received a double-standing ovation.
The stars surprised everyone during the prestigious event when they stepped onto the stage without a formal introduction to perform their duet Shallow.
Cooper and Gaga, who played lovers in A Star Is Born gave a passionate performance which received praise from several fans on social media.
Gaga later won the Academy Award for best original song and thanked Cooper during her acceptance speech.