The American socialite featured as an exaggerated version of herself in the satirical comedy film.

The singer appeared in the music video for Brat collaborator and co-producer AG Cook’s new song Residue from her film The Moment.

It is the first time Chalamet has acknowledged his other half on social media.

The actor previously thanked the reality star for their ‘foundation’.

The US TV star disclosed this in the trailer for series seven of The Kardashians.