Brad Pittcredits another Brad with helping him start his journey to sobriety.

Bradley just put his daughter to bed and rushed over here to do this, Pitt said.

I got sober because of this guy, and every day has been happier ever since.

Brad Pitt and Bradley Cooper

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TheAd Astrastar has subsequently been open about his decision to get sober.

I was boozing too much.

Its just become a problem, he toldGQin 2017.

And truthfully I could drink a Russian under the table with his own vodka.

Cooperhas also spokenabout his decision to stop drinking; he quit in his late 20s.

And I never wouldve been able to have relationships that I do.