ELLE was there during week 2 to catch up with the stars.
She plays a folk singer opposite Justin Timberlake in the film and admitted she didnt have any singing lessons to prepare, I winged it. It was kind of hilarious, I was really nervous and when we started it was slightly comedic so we just embraced it, mimicking musicians from that time.
Another star who embraced his musical side for his role as a vampire in Only Lovers Left Alive was ELLE favourite Tom Hiddleston, who plays the guitar, violin and even the lute in the film.
Take a look at our short video below of Tom on the red carpet where he explains his preparation to play a character who, like Anne Rice's Lestat, is a musical prodigy.
Tom told ELLE, I looked to musicians like Keith Richards and Syd Barrett as well as the romantic poets, Byron and Shelley, to create this very melancholic character.
So can Hiddleston fans, who were definitely the loudest on the festivals red carpet, look forward to an album any time soon? 'I think that would be a bad idea!!'
On his co-star Tilda Swinton he said, Shes amazing to work with; completely unique as a woman and an actress and so warm, wise and intelligent.
Joseph Gordon Levitt, the writer, director and star of Don Jon was on the red carpet on Wednesday and explained what compelled him to make a film about porn addiction: I think its important to pay attention to how media impacts how we see the world, whether its porn or movies of pop songs on the radio.
So, now that the festival is all over, which films did ELLE love?
Here is our top 5:
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