Sylvester Stallone's 3 daughters hit the red carpet together to celebrate Sistine's role in 'Midnight in the Switchgrass'

• Sylvester Stallone's daughter Sistine brought her sisters to the premiere of her new film.

• Sistine, Stallone's middle daughter, appears in the thriller "Midnight in the Switchgrass."

• Machine Gun Kelly and Megan Fox costar in the new film, out Friday.

• Visit Insider's homepage for more stories.

Sylvester Stallone's daughter Sistine brought her two sisters to the red-carpet premiere of her new movie "Midnight in the Switchgrass" on Monday.

The 23-year-old middle child of Stallone and wife Jennifer Flavin originally started out as a model, but has recently made the switch to acting. In addition to her role as Heather in the new thriller, Sistine has also appeared in the horror movie "47 Meters Down: Uncaged."

At the Los Angeles premiere of "Midnight in the Switchgrass," Sistine was joined by her older sister, Sophia (24), and younger sister, Scarlet (19). The trio posed for several photos on the red carpet.

Sophia attended USC for college, and currently hosts a podcast called "Unwaxed" with Sistine. The sisters discuss dating, fitness, and their personal life on the weekly podcast.

Youngest sister Scarlet has over 700,000 followers on Instagram, and frequently posts pictures of herself and her famous family members.

The three sisters have made appearances on their dad's Instagram account throughout the years. In 2017, the sisters were selected to share the title of Miss Golden Globe at the 74th annual ceremony.

"Midnight in the Switchgrass" also stars Bruce Willis, Emile Hirsch, Megan Fox, and Machine Gun Kelly. Fox and Kelly, who are now dating, reportedly met on the set of the thriller last year.

Fox plays an FBI agent in the film, which was directed by Randall Emmett. The film premieres July 23.

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