Lady Gaga Addresses Bradley Cooper Romance Rumors The duo had a very intimate Oscars performance on Sunday. They performed "Shallow" from the film,
'A Star is Born,' which won the Oscar for
best original song. On Wednesday's appearance on
'Jimmy Kimmel Live,' Gaga addressed
the real-life romance rumors. Lady Gaga, via 'Jimmy Kimmel Live' Her response was paired with a dramatic eye roll. Lady Gaga, via 'Jimmy Kimmel Live' Cooper attended the Oscars with his girlfriend, model Irina Shayk. He still had to shut down dating speculation rumors after his performance with Gaga.