Lady Gaga vomited in a plastic bag and gave it to her 'American Horror Story' boss on the first day of shooting.

Lady Gaga

Lady Gaga

The 29-year-old singer was so nervous about making her acting debut in the television series that she was sick on her way to set and later handed it to creator Ryan Murphy.

Speaking to News.com.au, she said: "I threw up on the way in a Ziploc bag in my Rolls Royce, and I saved it and brought it for Ryan Murphy. Ryan was like, 'Oh you think you can disgust me? You can't.' You think you can't get anything past him but then he met me.

"And I'll bring him a bag of my own vomit to the set and I'll just say 'I did this in the car, I'm so nervous.' "

And it wasn't just Ryan who got a special treat from the blonde beauty - who portrays 100-year-old monster The Countess in the show - as she also made her co-star Angela Bassett an explicit cake prior to their disturbing sex scene.

Angela, 57, who portrays Ramona Royale in the programme, explained: "It's her performing a sexual act on my person. I didn't eat any I was so shocked.

"I took it home and hid it in the garage refrigerator because I have young kids who I hope haven't seen it."

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