The blonde played the guardian of an autistic teenager named Music in the musical drama.
The picture consists of 10 music videos by Sia. Kate's partners in the film were Ziegler and Leslie Ed.
Hudson chose a seductive black Carolina Herrera suit - jacket with a wide belt and a mini skirt for the premiere. Black stockings complimented the image with a pattern and black shoes with straps.
Unused during the pandemic of premieres and photoshoots, the actress wrote that she had to get up at 5 in the morning for the video challenge on her Instagram.
"I took Carolina Herrera to remind myself that I love fashion. Yes, I do!»