To this day, Drew Barrymore feels ashamed of her drunken behavior on "Watch What Happens Live" in 2018.

While chatting with "WWHL" host Andy Cohen for her digital series "The Drew Barrymore Show," the actress apologized for her boozy appearance.
"It was on your show, and I drank too much and I have never forgiven myself, nor will I ever forgive myself. Whatever personal thing I do, nobody sees it. Although I'm an imperfect person, and I tout that, and I've had that liberty since I was a kid because it was all out there," said the former child star. "And it was either boo hoo about it or say, 'God, it's sort of redeeming to not have to pretend to be perfect.'"
"But I really want to apologize to you because I really — I just, I will never let that happen again," she continued. "I'm so sorry."

While the incident had a lasting impact on Drew, Andy didn't really remember it at all — especially because celebrities often drink on his show.
"I'm used to people being over-served on my show, and so I don't even really have a totally clear memory of it, but you don't need to apologize to me for being over-served on my show, that happens," he responded. "You're in a great club of people."