Sydney Sweeney reveals why she LOVED playing a pregnant nun in upcoming horror movie Immaculate as Jimmy Fallon shares hilarious clip of actress in old zombie movie role

Sydney Sweeney revealed how she became the producer and star of the upcoming horror film Immaculate on Tuesday during a visit on The Tonight Show Starring Jimmy Fallon.

The 26-year-old actress, while stunning in a white dress with black trim and plunging neckline, said she grew up watching horror films with her father Steven who loves the genre and always wanted to be in one.

‘I auditioned for a version of this movie when I was 16. …And they never made it,’ Sydney said.

‘So, 10 years later, I decided to make it,’ she shared.

Jimmy, 49, asked how she did it.

Sydney Sweeney revealed how she became the producer and star of the upcoming horror film Immaculate on Tuesday during a visit on The Tonight Show Starring Jimmy Fallon

‘I called my agents, and I said, ”I can’t get this script out of my mind, what’s happened with it?” It went into turn-around somewhere and I contacted the writer and we re-wrote it to match me as a 25-year-old,’ Sydney said.

‘And then I attached producers to it, took it to a financier and hired a director. It was the first thing I ever produced. It was amazing,’ Sydney said.

Sydney explained that she portrays a nun named Cecilia who gets sent to a ‘very obscure convent’ in Italy outside of Rome.

‘And some crazy s*** starts to happen to her,’ Sydney said.

Sydney said she flew out her grandmothers and let them be extras in the movie. Jimmy showed a picture of one of her grandmothers who played a nun taking a smoke break.

Sydney said she enjoyed playing a pregnant nun in the movie.

‘I did, I found out it’s a great place to put snacks in my belly,’ Sydney said. ‘I had sour patch kids.’

Jimmy said he saw on her IMDB that she was in a movie called Zombies of Mass Destruction. Sydney said she had never seen it because she was too young at the time. Jimmy played a clip of her from the movie where a car ran her over and severed her arm. Sydney laughed.

Sydney explained that she portrays a nun named Cecilia who gets sent to a 'very obscure convent' in Italy outside of Rome

Sydney explained that she portrays a nun named Cecilia who gets sent to a ‘very obscure convent’ in Italy outside of Rome

'I called my agents, and I said, ''I can't get this script out of my mind, what's happened with it?'' It went into turn-around somewhere and I contacted the writer and we re-wrote it to match me as a 25-year-old,' Sydney said

‘I called my agents, and I said, ”I can’t get this script out of my mind, what’s happened with it?” It went into turn-around somewhere and I contacted the writer and we re-wrote it to match me as a 25-year-old,’ Sydney said

Jimmy showed a picture of one of her grandmothers who played a nun taking a smoke break

Jimmy showed a picture of one of her grandmothers who played a nun taking a smoke break

'I did, I found out it's a great place to put snacks in my belly,' Sydney said of playing a pregnant nun. 'I had sour patch kids'

‘I did, I found out it’s a great place to put snacks in my belly,’ Sydney said of playing a pregnant nun. ‘I had sour patch kids’

‘I’m never going to see the end of this on Twitter,’ Sydney said.

Sydney also shared that she sneaked into theaters to watch the audience’s reaction to her movie Anyone But You.

‘I was filming in Australia while this was in theaters and Joe [Davidson], who plays Beau, would sneak into theaters and surprise people,’ Sydney said.

‘And did they freak out?’ Jimmy asked.

‘No at first they didn’t know what was going on,’ Sydney said. ‘Everyone was dead silent. We are standing up in the front with a microphone. We were like this is not working.’

‘Fans are hoping for a sequel,’ Jimmy said. ‘Do you think we will see a sequel.’

Jimmy played a clip of her from the movie Zombies Of Mass Destruction where a car ran her over and severed her arm

Jimmy played a clip of her from the movie Zombies Of Mass Destruction where a car ran her over and severed her arm

'I was filming in Australia while this was in theaters and Joe [Davidson], who plays Beau, would sneak into theaters and surprise people,' Sydney said

‘I was filming in Australia while this was in theaters and Joe [Davidson], who plays Beau, would sneak into theaters and surprise people,’ Sydney said

Sydney posed backstage at the talk show studio in New York City

Sydney posed backstage at the talk show studio in New York City

‘Maybe like a high nine chance,’ Sydney said.

Sydney said she was very nervous to be hosting Saturday Night Live this weekend.

‘I felt yesterday it was like walking into camp,’ Sydney said of rehearsals.

‘You are going to crush it,’ Jimmy said.

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