UPDATE: Shortly after Tina Fey’s interview made the Internet rounds, Colin Quinn took to Twitter to apologize for the incident. “Statement: It’s all true,” he tweeted. “I have used profanity when I’ve been angry at people. When I was wrong (as with Tina) I’ve said sorry to them.” Good move, Colin.

PREVIOUSLY: You don’t become one of the most successful stars in Hollywood without stepping on a few toes along the way. Take Tina Fey, star of “30 Rock” and the upcoming Amy Poehler buddy comedy “Sisters,” who served as the first female head writer at “Saturday Night Live” from 1997 to 2006.

In an interview on Sirius XM’s “The Howard Stern Show,” Fey, a frequent guest on the boundary pushing radio hour, told the host that an “SNL” co-star once called her “a c**t.”

She was initially reluctant to give up the name of her famous detractor, but with a little cajoling from Stern, she revealed Colin Quinn was the culprit.

Listen to a clip from the interview above.

“We’ve since made up,” she told Stern. “This was [when I was a head writer]. I love him so much.”

“I was trying to help him with a show that he was working on,” Fey continued. “I think his anxiety about the writing of the show spilled over, because it was very random. I was like ‘What?’ He left me a message and he said that … and I couldn’t even guess why. Usually if someone calls you that, you’re like, ‘I know what I did.’”

“Guess who’s not in ‘Sisters,'” Stern joked. “Colin Quinn.”

Quinn most recently played Amy Schumer’s misanthropic father in the summer smash “Trainwreck” and frequently trades barbs with Schumer over text message, which she hilariously shares on Instagram.

Take a look at some of the highlights below.

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