The 23-year-old was sat on the front row of the show alongside fellow models Sydney Lima and Leomie Anderson.
Once dubbed the world’s most beautiful royal, she wore a bright pink Mary Katrantzou dress costing £1,890.
The off-the-shoulder outfit featured ruffles and fringing along the bust and hem.
It also sported a white floral motif down the side of the gown.
She paired the look with heavy black ankle boots with a pop of neon green by Buffalo, costing £149.
Lady Amelia finished the look with a black shoulder bag and a relaxed hairdo.
The young royal has also been a model, having previously walked for Dolce & Gabbana last year.
She was named contributing editor of Tatler earlier this year and was on the front cover last month with topless rugby player Maro Itoje.
Despite being popular on the fashion scene, she is currently 38th in line to the throne.
Since graduating from Edinburgh University, she has built her career as a model and fashion influencer.
Her Instagram account also shows her glamorous life travelling the world.
Some of her previous travels have included Rome, Ibiza and Lake Como on a trip through Europe.
She celebrated turning 23 in August, with saucy pictures in a swimsuit on her social media account.
Her fashion credentials have seen her sporting some stunning outfits in recent months.
In June, she attended the Bvlgaria party in London in a monochrome outfit.
Lady Amelia’s look included a polka dot skirt and black top, with matching spot print shoes.
She also attended the Dior fashion show at Paris Fashion Week the following month.
The royal wore a bold red dress featuring a contrasting stripe and floral pattern, with her hair swept back in a formal up-do.