The striking teenager - who bears a jarring resemblance to her mother - walked the red carpet in a bohemian off-the-shoulder gown before the premiere of " La Danseuse " (The Dancer), which is listed in the "Un Certain Regard" section of the Cannes film festival this year.
The movie tells the story of the famous Belle Epoque dancer Loie Fuller - played by French actress Soko - who later fell into obscurity, and her complex relationship with her protégée and rival Duncan.
"After meeting Isadora, with whom she secretly fell in love, Loie Fuller could no longer dance. To her, Isadora was the embodiment of beauty, grace, youth and genius, and in one phrase everything that she could never be," director Stephanie Di Gusto told AFP.
The director described Depp as "exceptionally gifted" and a born star, and while the film received warm applause from critics, some panned her performance.
Entertainment website " The Wrap " described the film as "a pretty good movie with a number of sequences so breathtaking that they will knock your socks off ", and praised Soko's performance.
But regarding Depp they criticised a "wooden and lifeless performance" summing up with: "She is fine, I guess". The Hollywood Reporter said Depp added "decorative value, if not a whole lot in terms of acting ability".
However movie website filmstage.com said Depp "positively dazzles as Isadora".
With her winning genes Depp has already carved out a career as a model, becoming the teenage face of Chanel, and made her cinema debut in the film Tusk alongside her father in 2014.
She will also soon appear in the film Planetarium alongside Natalie Portman, telling the story about sisters who can communicate with ghosts.
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Sources : AFP