Bradley Cooper

The relationship was already strained, but this may have been the breaking point.

A source says the actor was emotionally absent during the filming of 'A Star Is Born.'

From Lady Gaga and Bradley Cooper to Lana Condor and Noah Centineo, these celebrity pairs have chemistry onscreen and off.

The 'Shallow' singer set the record straight once and for all.

Bradley Cooper's ex-wife has some thoughts about his chemistry with Lady Gaga.

Bradley Cooper performed at the Oscars for the first time alongside Lady Gaga and fans loved it.

See all the celebrity fashion looks on the 2019 Oscars red carpet.

Lady Gaga brought out Bradley Cooper for a surprise 'Shallow' duet in Las Vegas.

The video features the extended version from the soundtrack that'll make you feel everything all over again.

Bradley Cooper gave Lady Gaga the most... Lady Gaga gift ever, after wrapping 'A Star Is Born.'