She got the opportunity to be the part of the squad since she made her debut on the Topshop runway during the London Fashion Week back in the month of February the same year.
The Rocky actor's second youngest child is on her way of building her career but none of her sisters Scarlet and Sophia seems to follow the footstep of Sylvester.
'I think we're a mystery because we're only starting up now, ever since the Golden Globes we've got a lot of buzzes, and a lot of attention.'
"So I think that it's a snowball effect, and we're still gaining momentum in this industry, so I think we're still not really known yet. I think that's cool, that we can't start from scratch here, and build up who we are. It's cool, it's the start of something new."
Sistine has actually made her parents proud not only in the professional but also in the academic field. She completed her graduation from Notre Dame High School back in the month of May 2017.
Her sisters including her parents cheered her for her success. Her mother, fashion model Jennifer Flavin chose Instagram to congratulate the wonderful young lady for the grand success.