03/05/2015 02:45 pm ET Updated Mar 05, 2015

Colin Quinn Tells The Hysterical Story Of The Time He Ruined Robert DeNiro's Birthday Party

Colin Quinn was quick to take the blame for ruining a birthday of Robert DeNiro's in a HuffPost Live conversation on Wednesday.

The former SNL cast member was asked by DeNiro's wife to do an impression for the gathering, at which point Quinn prepared a whole act.

"I should've known then -- like, that's not what they asked for!" he laughed.

Sure enough, a star-studded crowd that included Robin Williams and Whoopi Goldberg watched him bomb "so brutally that it literally changed the tone of a nice birthday party into an ugly event."

"And then, when I left, Robin Williams walked outside and was laughing and he felt bad," he added.

Even so, none of that altered the thrill of getting the opportunity to perform in such a forum.

"In my mind I was like 'this is meant to be!'" he recalled. "I just had this mindset -- 'I'm not bailing.'"

Watch more from Colin Quinn's conversation with HuffPost Live here.

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