EXCLUSIVE: Sylvester Stallone's Girls on Making History at Golden Globes, and Which One Might Pull a Kanye

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ET caught up with Sylvester Stallone's three daughters on Wednesday, where they were still reeling over their Miss Golden Globe selection.

Sophia, 20, Sistine, 18, and Scarlet, 14, were named Miss Golden Globe 2017 by the Hollywood Foreign Press Association, marking the first time the distinction was given to three people since the tradition was started in 1963.

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"I'm just hoping I don't trip when I'm walking on the stage," Sophia told ET's Carly Steel.

"[Our heels] are comfortable enough to where we don't have to fall, but knowing us, we'll probably fall," Scarlet joked.

Miss Golden Globe duties include ushering presenters and winners on and off stage. Honorees are typically a child of a prominent Hollywood actor or actress, and past Miss Golden Globes include Melanie Griffith (1975), Laura Dern (1982) and Dakota Johnson (2006). Griffith and Dern eventually won their own Golden Globes.

"For the first time in Golden Globe history, we have proudly selected not one but three Miss Golden Globe representatives. The Stallone sisters will continue our time honored tradition of handing out the statuettes at the awards ceremony," HFPA President Lorenzo Soria said in November. "Each of the lovely young women in the triad have had success whether it be in academics, sports or pursuing a modeling career. With being raised by such role models Sylvester and Jennifer [Flavin], we can't wait to see what the future has in store for these ladies."

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ET found out that the girls were surprised by the news. According to them, their dad said yes to the opportunity on their behalf before letting them know it had even been offered.

"He comes in and we're all sitting with our dogs," Sophia recalled. "He was like, 'You guys are Miss Golden Globes.' We freaked out!"

"Music was playing; we were dancing on tables; it was so much fun!" Scarlet chimed in.

While Sistine has been the only one to go into show business so far with her burgeoning modeling career, they all know what it's like to be in the limelight, thanks to their dad's Instagram posts.

"He films us out of nowhere," Scarlet said. "We can be lying in bed with our hair messed up, he will still post it."

"It's a reality show on his Instagram," Sophia explained. "Everything you see is what is happening in our lives."

The girls' Miss Golden Globe selection is even more meaningful considering they watched their dad win his first Golden Globe last year for his supporting role in Creed.

"The moment we really saw him as Rocky was when he won the Golden Globe," Sophia recalled. "We all just were crying."

Now that the big day is almost here, the girls admitted that their parents are more nervous than they are.

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"They're giving us so much advice, and they're just worried if we mess up or trip," Scarlet said.

But before they can think about how they will carry themselves, they first have to decide who will be doing what. Sistine joked they might have some arguments over who gets to escort presenters like Leonardo DiCaprio, Ryan Gosling and Ryan Reynolds.

"Scarlet totally would [storm the stage]," Sistine joked when asked if her younger sister could potentially have a Kanye West moment a la the 2009 MTV Video Music Awards.

The 74th Golden Globes, hosted by Jimmy Fallon, will be handed out live on Sunday, Jan. 8, starting at 8 p.m. ET on NBC.